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【单选题】
现已查明非典型肺炎属于急性呼吸道传染病，其病原体是病毒的一种变种。阿昔洛韦[化学名称：9—(2—羟乙氧甲基)鸟嘌呤]是抗非典型肺炎(SARS)的指定药物之一，其结构式为： 。有关阿昔洛韦的结构及性质错误的叙述是 [ ]A.
分子中所有原子可能在同一平面内
B.
该物质在一定条件下可发生消去反应
C.
该物质在一定条件下可发生取代反应
D.
该物质不属于芳香族化合物
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【单选题】《建设工程质量管理条例》第49条规定，建设单位应当自建设工程竣工验收合格之日起( )日内，将建设工程竣工验收报告和规划、公安消防、环保等部门出具的认可文件或者准许使用文件报建设行政主管部门或者其他有关部门备案。
A.
5
B.
7
C.
15
D.
14
【简答题】Dear Sally, How are you? I’m happy that you can do the things you 1 at home. I never have fun, because there are too many 2 in my family. My parents are strict. I have to 3 at six o’clock every mornin...
【单选题】—What do I have to do ______ I want to be thinner?—Eat less, exercise more.
A.
but
B.
since
C.
because
D.
if
【单选题】听力原文：W. That's a nice computer you have. M: Now all I have to do is figure out how to use it. Q: What does the man imply? (13)
A.
Now he understands the system.
B.
He has no use for technology.
C.
He has to do some calculations.
D.
He doesn't know how to operate the computer.
【单选题】---- Do you want _______ this afternoon, Jack? ---- Yes, I do. But I have to do my homework.
A.
to go swimming
B.
go swimming
C.
go to swim
D.
going swimming
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