皮皮学，免费搜题
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【单选题】
关于实验室的冰箱使用中，下列哪项操作不正确：（）A.
冰箱、低温冰箱和干冰柜应当定期除箱和清洁，应清理出所有在储存过程中破碎的安瓿和试管等物品
B.
未标明的或废旧物品应高压灭菌并丢弃
C.
冰箱内可以放置易燃溶液
D.
应当保存一份冻存物品的清单
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When we finally ______ to get home after the tiring long journey, we could hardly move a step further. [ ]
A.
tried
B.
succeeded
C.
managed
D.
attempted
【单选题】When we finally ______ to get home after the tiring long journey, we could hardly move a step further. [ ]
A.
tried
B.
succeeded
C.
attempted
D.
managed
【简答题】When times get tough, we all look for ways to cut back. When we’re hungry, we eat at home instead of going out. We take buses instead of taxis. And we wear our old designer jeans just a few months lon...
【单选题】We had to __________a lot of noise when the children were at home.
A.
go in for
B.
hold on to
C.
put up with
D.
keep pace with
【单选题】When we finally ______ to get home after the tiring long journey, we could hardly move a step further.
A.
tried
B.
succeeded
C.
managed
D.
endeavored
【简答题】When we finally managed A(to get home) after the B(tiring) long journey, we could C(not hardly) move a step D(further).
【简答题】请简述符号链接与硬链接的区别是什么?
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