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听力原文：M: So you don't like very much about London. W: Oh. I do. I love the people they are so friendly. And I like the television programs there they are very interesting. However, I don't like the weather. M: The weather? W: Yes, the spring is always so wet, which really annoys me. M: Oh. W: And the fog. I' ye lost my way for several times to the heavy fog. M: That's a problem. How about other season in London? W: Well, in summer and autumn, London is a nice place to stay. It's very cool. M: How about in winter? W: In winter, London is very cold. But it's a good chance to enjoy the view of snow. (18)A.
She likes everything in London.
B.
She likes many things in London except its weather.
C.
She doesn't like the place at all.
D.
She likes the weather in London best.
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【简答题】请用>或<连接下列各组化合物 (1)碱性强弱Mg(OH)2 Ca(OH)2 (2)碱性强弱KOH Ca(OH)2 (3)酸性强弱H2CO3 H2SiO3 (4)酸性强弱H2CO3 HNO3
【单选题】直径超过 30mm 的孔,需分两次钻孔,先用( )的钻头钻底孔,然后再扩孔至要求。
A.
0.8 ～ 0.9 倍孔径
B.
0.3 ～ 0.4 倍孔径
C.
0.2 ～ 0.3 倍孔径
D.
0.5 ～ 0.7 倍孔径
【单选题】GKE协议封装报文中,荷载协议为IPX协议承载协议为IP协议,则报文的封装顺序为链路层、()、GRE、()、载荷数据
A.
IP、ipx
B.
Ipx、Ipx
C.
ip、ip
D.
IPX、ip
【单选题】GRE协议封装报文中,载荷协议为IPX协议,承载协议为IP协议,则报文的封装顺序为链路层()GRE()载荷数据。
A.
IP、IPX
B.
IPX、IPX
C.
IP, IP
D.
IPX、IP
【单选题】GRE协议封装报文中,载荷协议为IPX协议,承载协议为IP协议,则报文的封装顺序为链路层、( )、GRE、()、载荷数据。[1分]
A.
IP、IPX
B.
IPX、IPX
C.
IP、IP
D.
IPX、IP
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