Quan hệ dinh dưỡng trong quần xã cho biết

A. con đường trao đổi vật chất và năng lượng trong quần xã.

B. mức độ gần gũi giữa các cá thể trong quần xã.

C. mức độ tiêu thụ chất hữu cơ của các sinh vật.

D. nguồn thức ăn của các sinh vật tiêu thụ.

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions

I couldn’t ____ them when we climbed the mountain.

A. keep out of

B. keep on with

C. keep up with

D. keep away from

VI/ Read the following passage on native Americans, and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase for each of the blanks from 41 to 50.

WORKING MOTHERS

Carefully conducted (41)_________that have followed the children of working mothers have not been able to shown any long-term problems, compared with children of working mothers stayed at home. My personal (42)_________is that mothers should be allowed to work if they wish. Whether we like it or not, there a number of mothers who just have to work. There are those who have invested such a big part of their lives in establishing a career that they cannot afford to see it lost. Then there are many who must work out of pure economic (43)_________. Many mothers are not (44)_________out to be full-time parents. After a few months at home with a much_________loved infant, they feel trapped and isolated.

There are a number of options when it (45)_________to choosing childcare. These range from child minders and nannies through to Granny of the kind lady (46)_________the street. (47)_________, however, many parents don’t have any choice; they have to accept anything they can get. Be prepared! No matter how good the childcare may be, some children are going to protest wildly if they are left. This is a (48)_________normal stage of child development. Babies separate well in the first six months, but soon after that they start to get a crush on Mum and close family members. Make sure that in first week you allow plenty of time to help your child settle in.

All children are different. Some are independent, while others are more attached to their mothers. Remember that if you want to (49)_________the best for your children, it’s not the quantity of time you spend with them, it’s the (50)_________that matters.

Điền vào số 48

VI/ Read the following passage on native Americans, and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase for each of the blanks from 41 to 50.

WORKING MOTHERS

Carefully conducted (41)_________that have followed the children of working mothers have not been able to shown any long-term problems, compared with children of working mothers stayed at home. My personal (42)_________is that mothers should be allowed to work if they wish. Whether we like it or not, there a number of mothers who just have to work. There are those who have invested such a big part of their lives in establishing a career that they cannot afford to see it lost. Then there are many who must work out of pure economic (43)_________. Many mothers are not (44)_________out to be full-time parents. After a few months at home with a much_________loved infant, they feel trapped and isolated.

There are a number of options when it (45)_________to choosing childcare. These range from child minders and nannies through to Granny of the kind lady (46)_________the street. (47)_________, however, many parents don’t have any choice; they have to accept anything they can get. Be prepared! No matter how good the childcare may be, some children are going to protest wildly if they are left. This is a (48)_________normal stage of child development. Babies separate well in the first six months, but soon after that they start to get a crush on Mum and close family members. Make sure that in first week you allow plenty of time to help your child settle in.

All children are different. Some are independent, while others are more attached to their mothers. Remember that if you want to (49)_________the best for your children, it’s not the quantity of time you spend with them, it’s the (50)_________that matters.

Điền vào số 46

A. of

B.opposite

C.next to

D. across