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【单选题】
根据中国药典规定重金属是指（）
A.
比重大于5的金属
B.
Fe3+，Hg2+，Pb2+
C.
在弱酸性溶液中能与H2S作用显色的金属杂质
D.
铅离子
E.
在实验条件下能与S2—作用显色的金属杂质
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参考答案：
举一反三
【单选题】___for your help, we wouldn't have succeeded.
A.
Hadn't it been
B.
Had it not been
C.
If it had been
D.
If it were
查看完整题目与答案
【单选题】—What do you want to be? — I want to be a ____. I like working with people and money.
A.
bank clerk
B.
waiter
C.
teacher
D.
policeman
查看完整题目与答案
【单选题】— What do you want _____? — I want to be a doctor. [     ]
A.
to do
B.
to be
C.
to work
查看完整题目与答案
【单选题】Were it not for your help, we (              ) the difficulties.
A.
would overcome
B.
have overcome
C.
overcome
D.
would not have overcome
查看完整题目与答案
【单选题】My partner wants to be a teacher. I want to be a teacher, too.
A.
So I do             
B.
So am I         
C.
So do I
查看完整题目与答案
【单选题】If it　　for your help,we would be in serious trouble.A．isn’tB．aren’tC．hasn’t beenD．weren’t
A.
If it ____for your help,we would be in serious trouble. A．isn’t
B.
aren’t
C.
hasn’t been
D.
weren’t
查看完整题目与答案
【单选题】Thanks for your help, John . We have finished our work so early your help.
A.
can’t without
B.
couldn’t without
C.
wouldn’t under
D.
could by
查看完整题目与答案
【简答题】阅读理解。 Mike论坛版主 积分 20878 帖子 3065 I want to be a traveler. I want to go traveling in Korea and China. I can enjoy the cultures and food in the two countries. Annie论坛版主 积分 20880 帖子 3799 James Cameron is ...
查看完整题目与答案
【单选题】I want to help the people who are sick, so I want to be a ______. [     ]
A.
worker
B.
teacher
C.
waiter
D.
doctor
查看完整题目与答案
【单选题】But for your help, we ____ the program in time.
A.
can not finish
B.
will not finish
C.
had not finish
D.
couldn’t have finished
查看完整题目与答案
相关题目：
【单选题】___for your help, we wouldn't have succeeded.
A.
Hadn't it been
B.
Had it not been
C.
If it had been
D.
If it were
查看完整题目与答案
【单选题】—What do you want to be? — I want to be a ____. I like working with people and money.
A.
bank clerk
B.
waiter
C.
teacher
D.
policeman
查看完整题目与答案
【单选题】— What do you want _____? — I want to be a doctor. [     ]
A.
to do
B.
to be
C.
to work
查看完整题目与答案
【单选题】Were it not for your help, we (              ) the difficulties.
A.
would overcome
B.
have overcome
C.
overcome
D.
would not have overcome
查看完整题目与答案
【单选题】My partner wants to be a teacher. I want to be a teacher, too.
A.
So I do             
B.
So am I         
C.
So do I
查看完整题目与答案
【单选题】If it　　for your help,we would be in serious trouble.A．isn’tB．aren’tC．hasn’t beenD．weren’t
A.
If it ____for your help,we would be in serious trouble. A．isn’t
B.
aren’t
C.
hasn’t been
D.
weren’t
查看完整题目与答案
【单选题】Thanks for your help, John . We have finished our work so early your help.
A.
can’t without
B.
couldn’t without
C.
wouldn’t under
D.
could by
查看完整题目与答案
【简答题】阅读理解。 Mike论坛版主 积分 20878 帖子 3065 I want to be a traveler. I want to go traveling in Korea and China. I can enjoy the cultures and food in the two countries. Annie论坛版主 积分 20880 帖子 3799 James Cameron is ...
查看完整题目与答案
【单选题】I want to help the people who are sick, so I want to be a ______. [     ]
A.
worker
B.
teacher
C.
waiter
D.
doctor
查看完整题目与答案
【单选题】But for your help, we ____ the program in time.
A.
can not finish
B.
will not finish
C.
had not finish
D.
couldn’t have finished
查看完整题目与答案
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