Một quần thể thực vật tự thụ phấn có tỉ lệ kiểu gen ở thế hệ ban đầu là 0,54AA : 0,36Aa : 0,10aa. Cho biết các cá thể aa không có khả năng sinh sản . Tính theo lí thuyết, tỉ lệ các kiểu genở thế hệ F1 là:

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35:

The 15th Asian Games took place from December 1 through December 15, 2006, in Doha, Capital of Qatar. More than 10,000 athletes, who (31)___________ 45 countries and regions, took part in 39 sports and 424 events of the Games, the most important event in Asia. Some new events such as chess and triathlon were also included in the Games.The 15th Asian Games was organized at 34 sporting (32)___________, including Khalifa Stadium, which hosted the opening and closing ceremonies. The Opening Ceremony of the 15th Asian Games, Doha 2006, at Khalifa Stadium, was the most (33)___________ opening of any Games with 50,000 people to get into Khalifa Stadium and more than one billion television viewers. The Doha Asian Games Organizing Committee (DAGOC) wanted to ensure that everybody who saw the ceremony would have a memory for life as suggested in the (34)___________"The Games of Your Life." The 15th Asian Games was a successful sporting event that all (35)___________ would never forget.  

Question 33:

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35

The 15th Asian Games took place from December 1 through December 15, 2006, in Doha, Capital of Qatar. More than 10,000 athletes, who (31)___________ 45 countries and regions, took part in 39 sports and 424 events of the Games, the most important event in Asia. Some new events such as chess and triathlon were also included in the Games.The 15th Asian Games was organized at 34 sporting (32)___________, including Khalifa Stadium, which hosted the opening and closing ceremonies. The Opening Ceremony of the 15th Asian Games, Doha 2006, at Khalifa Stadium, was the most (33)___________ opening of any Games with 50,000 people to get into Khalifa Stadium and more than one billion television viewers. The Doha Asian Games Organizing Committee (DAGOC) wanted to ensure that everybody who saw the ceremony would have a memory for life as suggested in the (34)___________"The Games of Your Life." The 15th Asian Games was a successful sporting event that all (35)___________ would never forget.  

Question 31:

Read the following passage and mark the letter A,B ,C or D on your  answer sheet  to indicate the correct word or phrase that best fits each of the numbered blanks blanks:

Teaching English as a foreign language can be a great way to travel the world and earn money at the same time. However, some graduates actually like the idea of (4) ............... a career in teaching English long-term, and there are numerous courses at various (5) ............... of teaching, from the fast-track TEFL to a diploma or masters. To find the right course a good place to start is TEFL.com – an Internet site with lots of relevant information and helpful advice, including a comprehensive list of institutions in the UK offering TEFL courses. The site also offers a job search facility to assist qualified students (6) ............... finding work.  When deciding which course to take, the best bet is to look at what your needs are. If you want a career in teaching English then definitely find one designed for that (7) ..........., like an MA or diploma; but if you want to travel around the world, then do a shorter course which will supply you with teaching skills. Some countries, like Japan, will employ people without a teaching qualification as (8) ............. as the teacher is a native speaker of English. However, most countries do now expect a qualification.

 Question 4:  

Read the following passage and mark the letter A,B ,C or D on your  answer sheet  to indicate the correct word or phrase that best fits each of the numbered blanks blanks:

Teaching English as a foreign language can be a great way to travel the world and earn money at the same time. However, some graduates actually like the idea of (4) ............... a career in teaching English long-term, and there are numerous courses at various (5) ............... of teaching, from the fast-track TEFL to a diploma or masters. To find the right course a good place to start is TEFL.com – an Internet site with lots of relevant information and helpful advice, including a comprehensive list of institutions in the UK offering TEFL courses. The site also offers a job search facility to assist qualified students (6) ............... finding work.  When deciding which course to take, the best bet is to look at what your needs are. If you want a career in teaching English then definitely find one designed for that (7) ..........., like an MA or diploma; but if you want to travel around the world, then do a shorter course which will supply you with teaching skills. Some countries, like Japan, will employ people without a teaching qualification as (8) ............. as the teacher is a native speaker of English. However, most countries do now expect a qualification.

Question 5:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase thet best fits each of the numbered blanks from 24 to 28:

 Imagine you are studying English at a small college in the Midwestern United States. The local newspaper rarely has news about your native country. (24) _______, it prints very little foreign news, but this does not bother you at all. You sit comfortably in your apartment, turn on your (25) _______ computer, and ask for the foreign news. The screen is immediately (26) _______ with news from (27) _______ the world. Computers have (28) _______ an information “superhighway”. Today, computers can work together - they can network with each other. The worldwide computer network is called the Internet. Using the Internet, you can find all kinds of information and news from people and countries around the world.

Question 24:       

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase thet best fits each of the numbered blanks from 24 to 28:

 Imagine you are studying English at a small college in the Midwestern United States. The local newspaper rarely has news about your native country. (24) _______, it prints very little foreign news, but this does not bother you at all. You sit comfortably in your apartment, turn on your (25) _______ computer, and ask for the foreign news. The screen is immediately (26) _______ with news from (27) _______ the world. Computers have (28) _______ an information “superhighway”. Today, computers can work together - they can network with each other. The worldwide computer network is called the Internet. Using the Internet, you can find all kinds of information and news from people and countries around the world.

Question 25:       

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase thet best fits each of the numbered blanks from 24 to 28:

 Imagine you are studying English at a small college in the Midwestern United States. The local newspaper rarely has news about your native country. (24) _______, it prints very little foreign news, but this does not bother you at all. You sit comfortably in your apartment, turn on your (25) _______ computer, and ask for the foreign news. The screen is immediately (26) _______ with news from (27) _______ the world. Computers have (28) _______ an information “superhighway”. Today, computers can work together - they can network with each other. The worldwide computer network is called the Internet. Using the Internet, you can find all kinds of information and news from people and countries around the world.

Question 27:        

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase thet best fits each of the numbered blanks from 24 to 28:

 Imagine you are studying English at a small college in the Midwestern United States. The local newspaper rarely has news about your native country. (24) _______, it prints very little foreign news, but this does not bother you at all. You sit comfortably in your apartment, turn on your (25) _______ computer, and ask for the foreign news. The screen is immediately (26) _______ with news from (27) _______ the world. Computers have (28) _______ an information “superhighway”. Today, computers can work together - they can network with each other. The worldwide computer network is called the Internet. Using the Internet, you can find all kinds of information and news from people and countries around the world.

Question 28:        

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase thet best fits each of the numbered blanks from 31 to 35:

 In the western customs (31) _____ hands is the customary form of greeting, but in China a nod of the head or (32) ____ bow is sufficient. Hugging and kissing when greeting are uncommon. Business cards are often (33) _____ and yours should be printed in your own language and in Chinese. Also, it is more respectful to present your card or a gift or-any other article using (34) _____ hands. The Chinese are (35) _____ applauders. You may be greeted with group clapping, even by small children. When a person is applauded is this practice it is the custom for that person to return the applause or a “thank you”.   

Question 31:

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase thet best fits each of the numbered blanks from 31 to 35:

 In the western customs (31) _____ hands is the customary form of greeting, but in China a nod of the head or (32) ____ bow is sufficient. Hugging and kissing when greeting are uncommon. Business cards are often (33) _____ and yours should be printed in your own language and in Chinese. Also, it is more respectful to present your card or a gift or-any other article using (34) _____ hands. The Chinese are (35) _____ applauders. You may be greeted with group clapping, even by small children. When a person is applauded is this practice it is the custom for that person to return the applause or a “thank you”.   

Question 32: