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【单选题】
去甲肾上腺素主要激动( )
A.
M受体
B.
β2受体
C.
α1受体
D.
α2受体
E.
β1受体
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【单选题】股份有限公司最主要的优点()
A.
迅速募集巨额资本
B.
所有权与经营权相分离
C.
股东的责任有限
D.
无大风险
【单选题】肠热症病后易带菌的部位在
A.
小肠
B.
结肠
C.
胆囊
D.
十二指肠
【简答题】A. newly-founded B. new-found C. newly-found D. new-founded
【单选题】Scientists say they have found key clues into how long we will live. One of them is a【C1】______handshake. British researchers believe a strong grip is not just a sign of confidence but also an【C2】____...
A.
firm
B.
loose
C.
warm
D.
friendly
【单选题】Scientists say they have found key clues into how long we will live. One of them is a (1)________ handshake. British researchers believe a strong grip is not just a sign of confidence but also an (2) ...
A.
firm
B.
loose
C.
warm
D.
friendly
【单选题】In the United States today, coffee is a more popular drink (1)_____ tea, but tea played (2)_____ interesting part in the history of the United States. Before they won their (3)_____ from Britain, the ...
A.
from
B.
against
C.
compared
D.
than
【单选题】Mr. Wells has found some new clues in his investigation, ______ of great importance to solve this criminal case.
A.
I think which is
B.
that I think is
C.
which I think is
D.
which I think it is
【判断题】邓小平是中国社会主义改革开放和现代化建设的总设计师。
A.
正确
B.
错误
【单选题】Walking around, I found the city was full of people _________ for the New Year’s festival.
A.
making up
B.
make up
C.
to dress up
D.
dressed up
【简答题】4 钋 放 射 的 一 种 a 粒 子 的 速 度 为 1.59 7 ́ 1 0 7 米 / 秒 , 正 面 垂 直 入 射 于 厚 度 为 1 0 - 7 米 、 密 度 为 1.93 2 ́ 1 0 4 公 斤 / 米 3 的 金 箔 。 试 求 所 有 散 射 在 q > 9 0 o 的 a 粒 子 占 全 部 入 射 粒 子数 的 百 分 比 。 已 知 金 的 原 子 量 为 19 ...
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