25.You should have the car by a mechanic before you buy it. After all, it is second – hand.
A.repaired B.painted C.inspected D.driven
24. , you should set aside some time every day for exercise if you want to keep fit.
A.Busy as you are B.As busy are you
C.Busy as are you D.As busy you are
23.The soldier fired to warn the man forward.
A.to go B.going C.go D.against going
22.He failed to set new record, but it was good attempt.
A.a; a B.the; the C.a; the D./; /
第一节:语法和词汇知识(共15小题;每小题1分,满分15分)
21.--- You must have had a good time at the party last night, didn’t you?
--- . Actually, it was a bit boring.
A.Oh, great B.I suppose so C.Not really D.That’s OK
22.(12分)已知函数在处取得极大值2,其图象在处的切线与直线垂直。
(1)求的解析式;
(2)当时,不等式恒成立,求实数的取值范围。
21.(12分)设,
,求实数的范围。
20.(12分)由直线与抛物线的交点处引抛物线切线的垂涎,求由这两条直线及连接两焦点的弦所围成的三角形的面积。
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