皮皮学，免费搜题
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【判断题】
学生在动物实验中，抓取蟾蜍时应注意使其头部向外侧，不要挤压耳后腺，防止耳后腺分泌物射入实验者眼内。万一被射入，则需立即用生理盐水冲洗眼睛。()A.
正确
B.
错误
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举一反三
【单选题】The battle was over, and the wounded _______ sent to hospital and the dead _______ buried.
A.
was; was
B.
were; were
C.
is; is
D.
are; are
E.
was；were
【简答题】The battle was over without a shot _______(fire).
【简答题】The battle was over, and the wounded (send) ______ to hospital at once.
【单选题】The battle was over, and the wounded to hospital at once.
A.
was sent
B.
were sent
C.
had sent
D.
had been sent
【简答题】The battle was over, and the wounded (send) ____________ to hospital at once.
【简答题】The battle was over, and the wounded(send)____to hospital at once.
【单选题】在三相异步电动机接触器互锁正反转控制电路中,正转接触器KM1和反转接触器KM2之间互锁的连接方法是
A.
KM1的线圈与KM2的动断（常闭）辅助触点串联，KM2的线圈与KM1的动断（常闭）辅助触点串联
B.
KM1的线圈与KM2的动合（常开）辅助触点串联，KM2的线圈与KM1的动合（常开）辅助触点串联
C.
KM1的线圈与KM2的动断（常闭）辅助触点并联，KM2的线圈与KM1的动断（常闭）辅助触点并联
D.
KM1的线圈与KM2的动合（常开）辅助触点并联，KM2的线圈与KM1的动合（常开）辅助触点并联