[单项选择]Why is John studying

[单项选择]Why is John studying

[单项选择]Why are some scientists interested in studying senescence
A. They want to increase the general ability of our bodies.
B. They may be able to find a better way to our life.
C. If they can pin down the biochemical process that makes us age, there will be hope for extending the length of life.
D. They want to find out if there is a link between how efficiently a cell could repair itself and how long a creature lives.

[单项选择]The reason why studying the nature of human beings is popular is that ______.


A. the scale and scope of it is unprecedented
B. it is useful for determining policy
C. it is still an area of great mystery
D. there are so many best selling books about it

[单项选择]Why did John go to the square


A. Spend the time.
B. Enjoy himself.
C. Help the girl.

[单项选择]Why did the author mention Senator John McCain and Ted Kennedy in Paragraph 6
A. (A) Because they initiated legislation to find a solution to the problem of immigration.
B. (B) Because they are political foes but find common voice for immigrants.
C. (C) Because they are influential people in American politics.
D. (D) Because they hold opposing views on the issue of immigration.

[单项选择]Why won't John name his boy after a poet

[单项选择]The reason why John left his home was（）he felt he'd brought shame to his parents.
A. because
B. that
C. as
D. for

[单项选择]John: Dear Tom, why don't you come on holiday with usTom:______

[单项选择]The reason why John left his home was_____he felt he'd brought shame to his parents.
A. because
B. that
C. as
D. for

[单项选择]The reason why John left his home was ______ he felt he'd brought shame to his parents.
A. because
B. that
C. as
D. for

[单项选择]Do you know why John didn' t ______ at the party yesterday evening
A. show off
B. show down
C. show up
D. show in

[单项选择]

Many people have difficulty in studying mathematics. Sometimes their difficulty (61) from the psychological idea that they are "no good (62) math". It has been demonstrated many times that it is often this idea (63) is causing their problems (64) than any lack of skill in mathematics. The (65) way to deal with this problem is to (66) yourself that math "involves using the same numbers you have been using (67) your life and that you know them as well as (68) else". Then set your mind to learning how they are used in the (69) part of mathematics you are studying.
Another problem many people (70) is that in mathematics, unlike some other (71) you may have studied, the material has a very important (72) or order. If you don’t understand a (73) of a mathematics text, it is no (74) going on to the next section. Many sections of math books are (75) o
A. while
B. and
C. therefore
D. but