求这些个选择题的答案20．We do not need many researchers today; ___ we n

求这些个选择题的答案
20．We do not need many researchers today; ___ we need are searchers.
A. that B. what C. how D. which
(主语从句联系代词)
21. Wise people believe only half of what they hear ----- wiser ones know ___half to believe.
A. what B. which C. that D. such
22. A successful man is ____ who has the opportunity and takes it.
A. person B. anyone C. some D. one
23．I like living in this city even if _____else does.
A. anyone B. somebody C. someone D. nobody
24．I would say it is a point of style rather than______ of grammar.
A. that B. this C. a one D. one
25．Physics is the present-day equivalent of what used to be called natural philosophy, from______ most of present-day sciences arose.
A. that B. what C. all D. which
26. We do not need many researchers today; ___ we need are searchers.
A. that B. what C. how C. which
27． The higher the standard of living, the ____.
A. greater is the amount of goods to consume B. greater amount of goods consumed
C. greater the amount of goods consumed D. amount of goods consumed is greater 28. Life is not merely ___ , but the enjoyment of health.
A. living B. alive C. lively D. livable
29. A brother ___ not be a friend, but a friend will always treat you like a brother.
A. must B. should C. may D. would

20.B
21.B
22 B
23 D
24 A
25 D
26 C
27 A
28 A
29 C