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【多选题】
降钙素的作用机制是A.
可促进肠道转运钙
B.
抑制肾小钙和磷的重吸收
C.
直接抑制破骨细胞的活性
D.
有明显的镇痛作用
E.
具有中枢镇痛作用
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举一反三
【单选题】For a long time, ___economies like Japan and Korea were few and relatively small compared with importing economies like the U.S.
A.
export-led
B.
import-led
C.
information-intensive
D.
technology-intensive
【单选题】_______ Switzerland is very small, _______ it is the land of watch and it is very rich. [ ]
A.
Though; but
B.
Because; so
C.
Because; /
D.
Though; /
【简答题】Although it is very small, it has got multifunctions.
【单选题】________Switzerland (瑞士) is very small , _______it is the land of watch and it is very rich.
A.
Though; but
B.
Because ; so
C.
Because ; /
D.
Though ; /
【简答题】The ______ is very small but getting larger.
【单选题】They have ______ to cover both of them.
A.
too small an umbrella
B.
very small an umbrella
C.
a too small umbrella
D.
a small umbrella
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