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【单选题】
中国中原一带属于（）。A.
硬叶林文化
B.
针叶林文化
C.
落叶林文化
D.
阔叶林文化
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】PTN的功能平面中,实现传送平面与控制平面以及整个PTN系统的管理功能, 有效协调各平面之间的协作运行功能的是哪一平面?
A.
传送平面
B.
控制平面
C.
管理平面
D.
业务平面
【单选题】听力原文：W: The day I turned thirty, I turned on the computer. I went into the over- thirty room for a joke. And he was there. And we started chatting. M: About what? W: Books, music, how much we both lov...
A.
Her boyfriend.
B.
A stranger.
C.
A co-worker.
【单选题】听力原文：Woman: Here's your key, Mr. Smith. You're in room three ten on the third floor. The elevator is just over there. Oh, and check-out time tomorrow is at noon. Man: That won't be a problem. I'll nee...
A.
At home
B.
Atabank.
C.
At ahotel.
D.
At an airport.
【单选题】听力原文：M: Excuse me, have you got a light? W: No, I'm sorry. Perhaps the gentleman over there can help you. Q: what does the woman think about the gentleman over there? (13)
A.
He sells matches.
B.
He is not a smoker.
C.
He probably has a light.
D.
He must be a smoker.
【单选题】设计一个两级放大电路,要求电压放大倍数的数值大于10,输入电阻大于10MΩ,输出电阻小于100Ω,第一级和第二级应分别采用( )。
A.
共漏电路、共射电路
B.
共源电路、共集电路
C.
共基电路、共漏电路
D.
共源电路、共射电路
【单选题】Choose the correct participles 1) She's the woman _______ a yellow t-shirt. 2) He's the man ________ to the girl over there. 3) They're _______ wine with my friends in the back room.
A.
1) smiling 2) smoking 3) drinking
B.
1) wearing 2) talking 3) drinking
C.
1) typing 2) dancing 3) fighting
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