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【简答题】
1962年出版的科普作品《寂静的春天》首次提出了环境保护问题。它的作者是?
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皮皮学刷刷变学霸
举一反三
【单选题】The waitress didn’t take any notice of my complaint
A.
I’m terribly sorry to hear that. I’ll have it changed at once.
B.
I’m sorry. The problem may be that they are short-staffed in the kitchen today.
C.
I’ll send someone to your room to repair it right away.
D.
There must be a misunderstanding. Perhaps she didn’t understand you correctly.
E.
Let me check… I’m extremely sorry for my miscalculation.
【单选题】一Did they take any photos? 一______．
A.
No，they didn't
B.
No，they did
C.
No，they aren't
D.
No，they weren't
【简答题】下列全部是应用软件的是______。 A．Windows 2000，金山词霸，学籍管理系统 B．UNIX，Word 2000，WPS Office 2003 C．MS-DOS，用友财务软件，AutoCAD D．Word 2000，Excel 2000，Visual FoxPro
【单选题】I forgot to take the key to the bike with me again.
A.
didn’t keep
B.
left
C.
didn’t remember
D.
returned
【简答题】在局域网体系结构中数据链路层分为两个子层,即()、()。
【简答题】the space or width covered with one cut of a scythe or other moving devices s
【单选题】I didn't take any group's side. I tried to keep _______.
A.
middle
B.
medium
C.
neutral
D.
medial
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