11t的,求助几道语法!

yezhupiUID: 156959

0410.  
20. Initially  (introduced) in 1852, the gyroscope  (consists)  a spinning device, (usually) in (the) form of a wheel, that exhibits strong angular momentum.
答案是B,why?

34. (After)  the United States became independent, the cure of (more fertile) lands  (drew steadily)  New Ennglanders into the Ohio Vallye and the British colony of Upper Canada.
答案是C,why?

37. Among the most complex cryslals are (that) of silicon dioxide, which has seven different structures at varjous temperatures and pressures, the most common being quartz.
答案是that错了,怎么错了?看不出来.

38. Animals have to  (cope with)  and control physical and chemical processes (that do) not (necessarily) act to (benefit of) the animal.
答案是D,why?

39. (By) 1810 the 23 towns of Hampshire County, Massachusetts, (had reached)  a remarkable (uniform) of economic development (as well as) population density.
答案是D,我怎么看是 uniform 该改成union.
辛苦了,谢谢!

esunnyUID: 2157482

20,consists of
34, steadily drew
38, benefit

其他的同问呀

mxggUID: 2111875

1. consists-> consists of
由...组成
2.steadily 的位置不对，不能放在及物动词和名词之间
3.that->those
4.benefit from 固定搭配
5.uniform->uniformity.答案错了

esunnyUID: 2157482

我觉得那个benefit的题，似乎应解释为对动物有益吧，所以应该不用加 FROM吧

chenj_ydUID: 2134129

37题好像that应该改成those

fxlt1017UID: 2155989

那40题有没有高手教教我啊。
(With more than)half the world's(annual yield of) 50million tons of soy beans,an (important source) of protein,is (grown in) the United States

nicoweinaUID: 2123810

WITH 改OF

goodenoughUID: 2149577

20 consist of动词短语出现
34 放动词前或名词后
37 that-those
38 of-from
39 加the

goodenoughUID: 2149577

20 consist of动词短语出现
34 放动词前或名词后
37 that-those
38 of-from
39 加the