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【单选题】
细菌接种的工具不包括A.
接种环
B.
接种针
C.
棉签
D.
竹签
E.
L形玻棒
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反馈参考答案：
举一反三
【单选题】The old worker insisted that he old, and back to working post again.
A.
wasn’t；be sent
B.
wasn’t；was sent
C.
be not；send
D.
isn’t；sent
【单选题】The old worker has been on the ______ in this factory for nearly 20 years.
A.
paypacket
B.
payoff
C.
payroll
D.
payment
【单选题】The old worker _______ a very practical plan at the meeting yesterday, but it was turned down by the manager.
A.
put off
B.
put on
C.
put up
D.
put forward
【单选题】The old worker is ______, but the new worker is even ______
A.
good, good
B.
better, best
C.
good, best
D.
good, better
【单选题】________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
A.
As; whom
B.
What; whose
C.
It; whose
D.
What; whom
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