皮皮学，免费搜题
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【判断题】
杜威认为儿童有 语言和社交的本能、制作的本能、艺术的本能三种本能。( )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
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【简答题】什么是条件致病菌，条件致病菌引起感染的条件有哪些？
【单选题】Question 4 is based on the news report you have just heard.
A.
Recruit and train more firefighters.
B.
Pull down the deserted shopping mall.
C.
Turn the shopping mall into an amusement park.
D.
Find money to renovate the local neighborhood.
【多选题】一般情况下机械振动系统至少包括以下器件（ ）。
A.
具有惯性的器件
B.
能使具有惯性的器件受到恢复力作用的器件
C.
能使具有惯性的器件受到阻尼作用的器件
D.
能使具有惯性的器件振动衰减的器件
【单选题】Question 4 is based on the news report you have just heard.
A.
The lack of monitoring faulty equipment.
B.
The long history of the dam.
C.
The violent storm.
D.
The failure in the draining system
【单选题】Question 4 is based on the news report you have just heard.
A.
The darkness and cold.
B.
The heavy snow and fog.
C.
The biting winds.
D.
The ice all around.
【单选题】Question 4 is based on the news report you have just heard.
A.
It apologized to its customers.
B.
It was forced to kill its bees.
C.
It lost a huge stock of bees.
D.
It lost 2.5 million dollars.
【单选题】Question 4 is based on the news report you have just heard.
A.
Customers' higher demands.
B.
The inefficiency of employees.
C.
Increased variety of products.
D.
The rising number of customers.
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