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【单选题】
批处理文件的扩展名是什么？A.
.BAK
B.
.BAT
C.
.ABT
D.
.BAS
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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【单选题】听力原文：The birthplace was to open at 10 a. m. It was 9: 30 and already the pilgrims had formed a queue. I asked a lady from Ohio why she had come. 'For Shakespeare, 'she said. 'Isn't that why you came?'...
A.
U. S.A.
B.
Europe.
C.
Ohio.
D.
His hometown.
【简答题】计算机网络的安全威胁有哪些?(答案用分号隔开)
【简答题】计算机网络的安全威胁有哪些？
【简答题】嘌呤核苷酸从头合成的原料有磷酸核糖、氨基酸、()和CO2等简单物质。
【简答题】直接写出得数． kp×50= kk0×30= 50×p0= 九p×8= 600×p= 36+6p= 5k×k9≈ 30k×p9≈ 79×39≈
【单选题】Man: The train was supposed to arrive at 9 oclock. Woman: Nine oclock! But its already 9: 30. Question: What does the woman mean?
A.
The train is always late.
B.
She's sorry it's already 9: 30.
C.
The train is arriving at 9: 30.
D.
The train is already late.
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