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【判断题】
当水样中的欲测组分有共存干扰组分时,必须采取分离或掩蔽措施。
A.
正确
B.
错误
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【单选题】古人的婚礼在什么时间举行
A.
早上
B.
中午
C.
下午
D.
晚上
【单选题】The boy promised ____ mother never to lie to ____ again.
A.
his ;him
B.
her ; her
C.
her ;him
D.
his ;her
【单选题】The boy promised ___ mother never to lie to ___ again.
A.
his, him
B.
her, her
C.
his, her
D.
her, him
【单选题】The boy promised ______late for school again.
A.
to not be
B.
not to be
C.
not being
D.
being not
【单选题】古人的婚礼在什么时间举行?
A.
早上
B.
中午
C.
下午
D.
傍晚
【单选题】古人的婚礼在什么时间举行?
A.
早上
B.
黎明
C.
中午
D.
傍晚
【单选题】古人的婚礼在什么时间举行?
A.
早上
B.
中午
C.
傍晚
D.
深夜
【单选题】The boy promised _____ mother never to lie to _____ again.
A.
his ; him
B.
her ; her
C.
his ; she
D.
his ; her
【单选题】The boy promised______ in the exam any more.
A.
not to cheat
B.
not cheating
C.
to not cheat
D.
not to have cheated
【单选题】古人的婚礼在什么时间举行?
A.
早上
B.
中午
C.
傍晚