皮皮学，免费搜题
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【单选题】
IP 地址 132.25.23.56 的缺省子网掩码有( )位。A.
8
B.
16
C.
24
D.
32
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
举一反三
【单选题】听力原文：W: Hello. I have made a reservation and now I'm checking in. M: Yes, madam. Could you please tell me your name and room number? What is the woman doing?
A.
Checking out of a hotel.
B.
Checking into a hotel.
C.
Checking into a club.
【单选题】听力原文：M: Hello, Madam. What can I do for you? W: Hi. Uh... I bought this MP3 player here one year ago. But it doesn't work now. M: Oh, dear. I am sorry to hear that. W: I want to have it fixed. I am su...
A.
In a supermarket.
B.
At a shop.
C.
In a grocery.
D.
At a repair shop.
【单选题】下表是生活中一些物质的pH，有关说法错误的是（ ） 物质 厕所清洁剂 橘子汁 牛奶 厨房清洁剂 pH 1 3 6.5 12.5
A.
牛奶的酸性比橘子汁强
B.
厨房清洁剂显碱性
C.
胃酸过多的人不宜多吃橘子
D.
厕所清洁剂能腐蚀铁质下水道
【简答题】平流雾的主要特点是 。A. 浓度大，厚度大，范围广，持续时间长 B. 一日中任何时刻都能出现，在大洋上没有明显的日变化 C. 常伴有层云 D. A.B.C 都对
【简答题】--- Hello, madam. Can I help you? --- I’d like to have my shoes __________.A. mend B. to mend C. mended D. mending
【简答题】的《一种云》在艺术上的主要特点是什么？
【单选题】- Hello, can I speak to Mr. Black? - Sorry, madam. He _________ a lecture in the hall.
A.
will give
B.
gives
C.
is giving
D.
has given
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