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【单选题】
女患儿,11个月。腹泻3d。大便为蛋花汤样,带黏液,无腥臭味。无尿8h,腘窝凹陷明显。血钠125mmol/L.诊断为小儿秋季腹泻。患儿脱水的程度和性质是A.
中度低渗性脱水
B.
中度等渗性脱水
C.
重度等渗性脱水
D.
重度低渗性脱水
E.
重度高渗性脱水
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【单选题】Whatever you do, you _______ click with the right mouse button or the program will crash.
A.
don't have to
B.
must not
C.
might not
D.
needn't
【单选题】More and more high-rise buildings have been built in big cities ________ space.
A.
in search of
B.
in place of C for lack of D. in memory of
【单选题】Whatever you do, you ______ click with the right mouse button or the program will crash.
A.
must not
B.
don't have to
C.
doesn't have to
D.
needn't
【单选题】What is the advantage of the voice card?
A.
It is safer because it requires more ID information.
B.
It is safer because the voice-recognition chip is built in.
C.
It. is safer because no one but the user can use the card.
D.
It is safer because it can hardly be cheated by fraudsters.
【单选题】---Do you know if Linda is willing to take charge of the program? ---_______, does it?
A.
It makes no time
B.
It counts for nothing
C.
It doesn’t hurt to ask
D.
It doesn’t make sense
【简答题】某有机物G分子结构的球棍模型如下图所示（图中小球分别表示碳、氢、氧原子，球与球之间的连线“一”不一定是单键）。用芳香烃A为原料合成G的路线如下： 试回答： （1）G的分子式为_______；G中环状基团被氢原子取代后的有机物名称为_______。 （2）A的结构简式为______；D中官能团的名称为_______。 （3）B→C反应的化学方程式是__________________________...
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