皮皮学，免费搜题
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搜题
【单选题】
PWM指的是（ ）A.
机器人
B.
计算机集成系统
C.
脉宽调整
D.
可编程控制器
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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】I prefer this mobile phone, because it is in business style.
A.
我不喜欢这部手机,因为它是商务款的。
B.
我更喜欢这部手机,因为它是商务款的。
C.
我之所以选择这部手机是因为它是商务款的。
【单选题】This mobile phone is not _______ than that one.
A.
the most expensive
B.
expensive
C.
more expensive
D.
most expensive
【单选题】What is the strategy that can help you get the relevant information?
A.
One strategy that can help you get the relevant information is to listen for conclusion words.
B.
One strategy that can help you get the relevant information is to listen for signal words for listing.
【简答题】[A] mechanical [B] material [C] relevant [D] absolute
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