皮皮学，免费搜题
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搜题
【单选题】
Section A Directions: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). News Report 1 Questions 1 and 2 are based on the news report you have just heard.A.
A severe flood.
B.
A violent storm.
C.
A terrible tsunami.
D.
A powerful earthquake.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】晶闸管门极触发信号刚从断态转入通态即移去触发信号,能维持通态所需要的最小阳极电流,称为维持电流IL,在数值大小上有,IL
A.
正确
B.
错误
【单选题】—A man came to say hello to me at the party, but I think we have never met before.—He must have taken you for______.
A.
some other
B.
someone else
C.
other person
D.
one other
【简答题】示值范围是指计量器具所 或 的从最小值到最大值的范围。