7.There was________time________Iraq was one of the strongest countries in the world.
A.a;when B.a;that
C.the;that D.the;when
解析:选A。本题考查定语从句。a time指“一段时期”,是先行词,关系副词用when。
6.-My sister is very upset today.
-It’s your fault.You________the bad news to her yesterday.
A.should tell B.should have told
C.shouldn’t have told D.must tell
解析:选C。你昨天本来不应该把坏消息告诉她。
5.The doctor told Jack’s mother that it would not take him long to ________from his illness.
A.suffer B.separate
C.escape D.recover
解析:选D。考查动词辨析。recover“痊愈,恢复”,常和from连用。句意:医生告诉Jack的妈妈不用多久他就会痊愈的。suffer from“遭受(痛苦、疾病、损失等)”;separate from“分离,分开”;escape from“从……中逃脱”。
4.-You look unhappy.Why?
-I’m always________when I don’t get any mail.
A.confused B.fearful
C.upset D.doubtful
解析:选C。考查形容词辨析。upset此处用作形容词,意为“心烦意乱的”。答语意为:我接不到任何邮件时总是心烦意乱。confused“困惑的”;fearful“害怕的,可怕的”;doubtful“怀疑的,不肯定的”。
3.She’s amazingly cheerful considering all she’s had to________.
A.get through B.cut through
C.go through D.see through
解析:选C。考查短语辨析。go through经历;经受。句意:经历了种种磨难,她还那么乐观,令人惊叹。get through“完成,通过,(给……)接通电话”;cut through“穿过,穿透”;see through“看穿,把……进行到底”。
2.-So you didn’t say hello to her last night?
-Well,I stopped and smiled when I saw her,but she ________me andwalked on.
A.ignored B.refused
C.denied D.missed
解析:选A。考查动词辨析。ignore不理睬;忽视。句意:“昨晚你没有向她打招呼?”“唉,我看到她时便停下来朝她笑了笑,但她没有理我,一直往前走了。”refuse“拒绝”;deny“拒绝给予,否认”;miss“错过”。
1.After________series of unsuccessful attempts,he has finally passed________driving test.
A.不填;the B.a;the
C.the;a D.不填;a
解析:选B。考查冠词。a series of是固定短语,意为“一系列;一连串”,所以第一空用不定冠词a;第二空用定冠词the,特指驾驶考试。句意:经过连续几次的失败,他最终通过了驾驶考试。
22.已知函数在与时都取得极值。
(1)求的值及的增区间; (12分)
(2)若对,不等式恒成立,求c的取值范围。
21.已知曲线
(1)求曲线在点处的切线方程;
(2)求函数的单调区间。(12分)
20.已知函数
(1)求函数的极大值和极小值;
(2)求函数在区间上的最大值和最小值。(12分)
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