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【单选题】
卡比多巴与左旋多巴合用的理由是（）
A.
加速左旋多巴的胃肠吸收
B.
减慢左旋多巴由肾脏排泄
C.
抑制左旋多巴的再摄取
D.
抑制多巴胺的再摄取
E.
使进入中枢神经系统的左旋多巴增加
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】
shuashuati.com
Why is Ireland also called “Emerald Isle”?
A.
Because the Irish like green very much.
B.
Because there’re many emeralds in the island.
C.
Because the island is covered with green plants.
D.
Because the Irish are green people.
参考答案：
C
参考解析：
无
【单选题】
shuashuati.com
It was because of bad weather __________ the football match had to be put off.
A.
so
B.
so that
C.
why
D.
that
参考答案：
D
参考解析：
无
【单选题】
shuashuati.com
Clouds are made of
A.
seas, rivers and lakes
B.
blocks of ice
C.
very small drops of water or snow crystals
D.
solid, liquid and gas
参考答案：
C
参考解析：
无
【单选题】
shuashuati.com
Water has three states(状态). They are
A.
solid, liquid and gas
B.
solid, vapour, snow
C.
drops of water, blocks of ice and crystals of water
D.
ice, snow and air
参考答案：
A
参考解析：
无
【单选题】
shuashuati.com
It is said that when you find a shamrock with four leaves, you’ll be____________.
A.
healthy
B.
happy
C.
lucky
D.
rich
参考答案：
C
参考解析：
无