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【单选题】
有关黄土高原的叙述，正确的是（ ）A.
地广人稀
B.
资源缺乏，特缺煤炭
C.
人多地少
D.
生态建设已步入良性循环
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反馈参考答案：
举一反三
【单选题】配置路由器远程登录Telnet的密码,应在全局模式下输入的命令是
A.
line console 0
B.
line vty 0 4
C.
int f0/0
D.
int f0/1
【单选题】— Does your Dad quit smoking, Jenny? — Yes, but he ____ for almost ten years. [ ]
A.
smoked
B.
was smoking
C.
has smoked
D.
had smoked
【简答题】五、单词拼写（本题有10小题，每小题0.5分，共5分） 69. He i____________ the doctor’s advice and goes on smoking. 70. It is not easy for a Chinese person to speak English as fluently as a native English speaker. One reason i...
【简答题】干粉灭火器的使用步骤可以概括为：、 、按手按柄。
【单选题】—Does your father smoke? — ,it's 2 years since he ．
A.
Yes; smoked
B.
No; smoked
C.
Yes; smokes
D.
No; has smoked
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