0  368676  368684  368690  368694  368700  368702  368706  368712  368714  368720  368726  368730  368732  368736  368742  368744  368750  368754  368756  368760  368762  368766  368768  368770  368771  368772  368774  368775  368776  368778  368780  368784  368786  368790  368792  368796  368802  368804  368810  368814  368816  368820  368826  368832  368834  368840  368844  368846  368852  368856  368862  368870  447090 

6.函数的值域为:

A.   B.   C.    D.

试题详情

5.设是方程的两个实数根,则的最小值是:

A.-2      B.0      C.1       D.2

试题详情

4.函数的最大值是

A.1      B.3     C.      D.

试题详情

3.从点向圆作切线,切线长最小值为:

A.4      B.2   C.5      D.5.5

试题详情

2.函数在闭区间上有最大值3,最小值2,则m的取值范围是:

A.    B.   C.    D.

试题详情

1.已知的最小值为:

A.6      B.7     C.8      D.9

试题详情

74.他的行动使我们确信他是诚实的。His action  ____ ____ ____ ____ ___.

75她对穿着特别挑剔。She ___ ____ ____ _____ what she wears.

III短文改错  (每小题1分,共10分,注意格式 )

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线( \ )划掉,在该行右边横线上写出该词,并也用斜线划掉。此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。注意:原行没有错的不要改。

At the age of fourteen Bell sent to London to                            1._________ live for a year with his grandfather, that took good care                2._________ of him. A year late young Bell returned to Scotland.      3._________ After working for time with his father, he began teaching     4._________ speech at a school. His free time was devoted to study       5._________ sound.Before he studied the human voice and the           6._________ vibrations(振动)that goes to make up sound, he found that the        7._________ voice is not a simple thing. So he continued on with his         8._________ studies and his teaching until at the age of twenty-third           9._________ he moved with his family to Canada.        10._________

试题详情

73.他困惑地看着我,没有回答问题。He looked at me ____ ____ and did not answer the question.

试题详情

72.他的一番鼓励激起了我的信心。His encouraging remarks ___ ___ ___ ___.

试题详情


同步练习册答案