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【单选题】
对于药物中的硫酸盐进行检查时,所用的检测试剂是( )
A.
AgNO 3
B.
H 2 S
C.
硫代乙酰胺
D.
BaCl 2
E.
以上均不对
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【单选题】— Could you look after my dog for me while we're away? — .
A.
Yes, please         
B.
No, I'm not         
C.
With pleasure
【单选题】-Could you look after my pet dog for me while I am away? - _______.
A.
No, thanks .
B.
It's my pleasure
C.
I'm sure you will
D.
With pleasure
【简答题】田间检验通常是在品种特征特性表现最明显的时期如( )、( )和( )进行。
【单选题】Could you help me to my keys?
A.
look at
B.
look for
C.
look forward to
D.
look out
【单选题】Could you me for my school's campaign for Help the Aged?
A.
help
B.
give
C.
sponsor
D.
equip
【单选题】-Could you look after my daughter for me while I’m away? -___________.
A.
Yes, here you are
B.
You’re welcome
C.
Yes, please
D.
With pleasure
【简答题】习题4-13 试计算题4-12日光灯电路的有功功率、视在功率、无功功率和功率因数。
【单选题】—Could you look after my son for me while I’m away? —_______
A.
Pardon?
B.
You’re welcome.
C.
Yes, please.
D.
With pleasure.
【单选题】Could you help me my homework?
A.
with
B.
to
C.
for
D.
in
【单选题】A: Good morning. Sir. What can I do for you? B: I’m ___my seat. Could you guide me to my seat?
A.
looking for
B.
due to
C.
switch on
D.
the reason of
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