An education should enable a student to get a better job than he would () be able to find or fill.
A. consequently
B. nevertheless
C. otherwise
D. anyhow
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They are always ready to ______ heavy responsibilities.
A. take in
B. take on
C. put on
D. put in
Ever since Geoffrey sent a sizeable cheque to a well-known charity he's been ______ with requests for money from all sides.
A. devastated
B. smashed
C. bombarded
D. cracked
There is a general ______ that pouring old wine into the same bottles is the wrong way to go.
A. consensus
B. census
C. censorship
D. conscience
核酸分子的基本组成单位是
A. 核糖
B. 含氮碱基
C. 核苷
D. 核苷一磷酸
E. 核苷三磷酸