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听力原文：M: That photograph certainly flatters Susan. Don't you think so? W: No, I don't. As a matter of fact, I think it makes her look older than she really is. Q: What does the man think of the photograph? (15)A.
It looks exactly like Susan.
B.
It makes Susan look older than she really is.
C.
It makes Susan look younger than she really is.
D.
It makes Susan look better than she looks in person.
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【简答题】函数 f ( x , y )= x 2+4 y 2-2 x +8 y 的极小值为 。
【简答题】已知函数f（x）=ax 2 -4bx+2alnx（a，b∈R） （I）若函数y=f（x）存在极大值和极小值，求 b a 的取值范围； （II）设m，n分别为f（x）的极大值和极小值，若存在实数，b∈（ e+1 2 e a， e 2 +1 2e a），使得m-n=1，求a的取值范围．（e为自然对数的底）
【简答题】“beef” and “meat” is the sense relation of____. “ring” and “wring” reflect the sense relation of____.
【单选题】30岁女性，停经17周，1个月来间断少量阴道出血，腹部无明显压痛、反跳痛，子宫颈口未开，子宫增大如孕8周，最可能的诊断为
A.
先兆流产
B.
难免流产
C.
不全流产
D.
完全流产
E.
稽留流产
【判断题】Hyponymy (p.226) refers to the sense relation between a more general word and a more specific word.()
A.
正确
B.
错误
【单选题】患者停经17周，1个月来间断少量阴道出血，检查腹部无明显压痛、反跳痛，子宫颈口未开，子宫增大如孕8周，最可能的诊断为
A.
先兆流产
B.
难免流产
C.
不全流产
D.
完全流产
E.
过期流产
【简答题】求函数f(x，y)=x 2 +2y 2 的极小值，等式约束条件为 g(x，y)=x+2y+4=0并验证充分条件。
【简答题】二元函数f(x，y)=x^2+y^4-1的极小值为______.
【单选题】29岁，停经17周，1个月来间断少量阴道出血，检查腹部无明显压痛、反跳痛，子宫颈口未开，子宫增大如孕8周，最可能的诊断为
A.
先兆流产
B.
难免流产
C.
不全流产
D.
完全流产
E.
稽留流产
【单选题】What is the sense relation between Sentence A 'Johns computer needs repairing' and Sentence B 'John has a computer'?
A.
Sentence A entails sentence B
B.
Sentence A presupposes sentence B.
C.
Sentence A is a prerequisite of sentence B
D.
Sentence A is an entailment of sentence B.
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