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【判断题】
对于涉及大家熟悉的危险源的实验场所,不需要有明确的警示标识。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】You can tell a lot about a person from the clothes they wear, but you can also tell a lot about a person simply from the handbags they carry. It's hard to believe, but you can find out a number of thi...
【单选题】— How can I tell one tree from another? — You can mostly tell them by the ______ of their leaves. [ ]
A.
shape
B.
size
C.
age
D.
color
【单选题】The passage wants to ______.
A.
tell patients what they can do and what they can't
B.
tell people when they can visit patients and when they can't
C.
give patients guidelines on how to treat their illnesses
D.
give people ideas on how to treat their illnesses
【简答题】请写出创建sound类的完整代码?
【简答题】What the English for this？ Can anyone tell me？
【单选题】—How can I tell one tree from another? —You can mostly tell them by the ____of their leaves. [ ]
A.
shape
B.
size
C.
age
D.
colour
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