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【判断题】
大鼠、小鼠剪尾采血，每只鼠只能采一次。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：
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皮皮学刷刷变学霸
举一反三
【单选题】_____he gave that we should take more exercise in our spare time!
A.
What a good advice
B.
How a good advice
C.
What good advice
D.
How good advice
【单选题】We should spare no effort to_____ our environment.
A.
beauty
B.
beautify
C.
beautiful
D.
beautifully
【单选题】The author proposes that we should______.
A.
spare no efforts to increase life expectancy
B.
be aware of the rapid graying of our society
C.
apply science and technology in everyday life
D.
try our best to improve the lives of old people
【单选题】Our money is limited, so I think that we should _______ for the next year.
A.
save
B.
spare
C.
benefit
D.
budget
【单选题】Forests can provide beauty and prevent ______ . Therefore, we should spare no efforts to protect forests.
A.
erosion
B.
corruption
C.
decay
D.
spoil
【简答题】顾客多次到店看同一款车,却一直说另一个品牌的车子好。这次你如何回应顾客,达成交易?
【简答题】We should spare no effort to (beauty)_______our environment.
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