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【单选题】
1岁患儿，平素易患肺炎，喂养困难，身材较同龄儿矮小，智力发育落后，体检两眼眼距宽，外眦上斜，鼻梁低平，舌常伸出口外，下列哪项诊断可能性最大（ ）A.
21-三体综合征
B.
先天性甲状腺功能低下
C.
苯丙酮尿症
D.
18-三体综合征
E.
13-三体综合征
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举一反三
【单选题】----- I had a really good weekend in the countryside, ----- ___________________________.
A.
Oh, that’s very nice of you
B.
Congratulations
C.
It’s a pleasure.
D.
Oh, I am glad to hear that.
【单选题】听力原文：W: Oh I really like your top. Where did you get it? M: I got it from 'Topman'. It was on sale, reduced from 80 pounds to 50. Q: How much was the man's top? (13)
A.
it was 50 pounds.
B.
it was 80 pounds.
C.
it was 20 pounds.
D.
it was 40 pounds.
【单选题】听力原文：W: Michael, would you like to eat out tonight? M: Oh, I'd really like to, but I have promised my sister to see a movie with her tonight. Q: What will the man do this evening? (4)
A.
To visit his sister.
B.
To eat out with the woman.
C.
To see a movie with his sister.
D.
To eat out with his sister.
【简答题】根据某些条件对一个关系作水平分解，选择符合条件的元组组成一个新的关系，这样的操作称为（ ）。 A）投影 B）选择 C）等值连接 D）自然连接
【简答题】A: What can I do for you? B: 1 A: For your daughter ?Look , the shoes are really nice . Do you like them ？ B: Yes . But I’m afraid my daughter doesn’t like the color . ___2______ A: Sure . There are d...
【单选题】—I’ve been invited to a department party tonight. Are you going to come? — Oh, I’d really like to, but I have a ton of work. ___________________.
A.
Thank you anyway
B.
You’re welcome
C.
All right.
D.
With pleasure.
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