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【单选题】听力原文：When did you send the fax? (A) To Philip's office. (B) Early this afternoon. (C) I sent the package last week. (9)
A.
B.
C.
【单选题】某多肽有30个氨基酸,其中含天门冬氨酸4个,分别位于第5、6、15、30位(见图);肽酶X专门作用于天门冬氨酸羧基端的肽键,肽酶Y专门作用于天门冬氨酸氨基端的肽键,下列相关叙述不正确的是( )
A.
该30肽含有肽键29个
B.
该30肽至少含游离的氨基和羧基各为1个和5个
C.
肽酶X完全作用后产生的多肽共含有氨基酸29个
D.
肽酶Y完全作用后产生的多肽中氧原子数目比30肽多了4个
【单选题】When did Philip II of Spain send the Spanish Armada against England?
A.
1533
B.
1571
C.
1588
D.
1603
【单选题】Philip has gone to New Zealand． Oh，can you tell me________?
A.
when did he leave
B.
when he is leaving
C.
when he left
D.
when is he leaving
【单选题】糖尿病酮症酸中毒患者经注射胰岛素及静滴生理盐水后，血糖降低、失水纠正、尿量增多。此时最应注意防止
A.
低钠血症
B.
低钾血症
C.
低钙血症
D.
低血糖
E.
低血压
【单选题】– Do you know _____ yesterday ? – It was at 8 o’clock in the morning.
A.
when did she come
B.
when was it that she came
C.
when she came
D.
when it was that she came
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