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【单选题】
有关前列腺素的叙述,不正确的是A.
由花生四烯酸所合成
B.
作用范围非常广泛
C.
由精囊分泌到精液中的
D.
具有收缩血管的功用
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举一反三
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived ,are interdependent ,and ________ the common task of seeking to achieve mankind’s full potential.
A.
share in
B.
bring in
C.
take in
D.
call in
【简答题】阅读理解 More than half of rich Americans have not shown their full wealth to their children, a new survey showed last Tuesday. The survey, published by the Bank of America, studied the rich with $ 3 mill...
【单选题】继电器是根据电学量或其他物理量,接通和断开控制电路的一种自动电器,继电器种类很多,其中( )应用普遍。
A.
热继电器
B.
电磁继电器
C.
时间继电器
D.
速度继电器
【简答题】从排队论的观点出发,多址信道可以看成一个()的排队系统。
【单选题】The boy looked up timidly at his father who was sitting next to him, but he didn't stop crying. __________, his crying became more intense.
A.
If nothing
B.
If not
C.
If everything
D.
If anything
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived, are interdependent, and _____ the common task of seeking to achieve mankind’s full potential.
A.
share in
B.
take with
C.
take on
D.
turn on
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived,are interdependent, and _______ the common task of seeking to achieve mankind's full potential.
A.
turn down
B.
think over
C.
live on
D.
share in
【简答题】在文克勒弹性地基分析中,划分有限长梁是依据()确定,若条形基础的该项值为2.78,试问该条形基础应按()计算。
【单选题】All people, whether they be rich or poor, strong or weak, privileged or deprived, are interdependent, and ___________ the common task of seeking to achieve mankind’s full potential.
A.
embark on
B.
share in
C.
live on
D.
turn down
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