9.bring up教育,养育;提出,引出;呕吐
bring up the question提出问题
He was brought up by his uncle.
She brought up all the food she had eaten.
归纳:bring in获利,赚,引进;bring about带来,引起;bring down使……降低
8.center on将某人(物)当作中心或重点
concentrate on专心致志于
类似短语:
attend on侍候……,看护……,照料;call on访问,号召;depend on取决于……,依……而定;feed on以……为食;fix one?s eyes on盯住……;go on继续;keep on坚持……;live on靠……生活;look on (sb as)看待(作)……
7.familiar adj.熟悉的;精通的;亲密的
sth./sb. be familiar to sb.某物/人为某人所熟悉
sb. be familiar with sth./sb.某人熟悉某物/与某人亲密
6.burst into cheers爆发出欢呼声
burst vi.爆裂,突然发作,n.爆裂(炸),裂口
My shopping bag burst as I was leaving the supermarket.
On hearing the news, she burst into tears.
相关表达:burst into tears/laughter突然大哭/大笑
burst into song/bloom/view/sight突然唱起歌来/开花/景观(奇观)突然出现
5.confirm vt.证实,确定;确认,批准
What you say confirms my opinion.
The government confirmed me in my possession of the land.
Can you confirm that you?ll be able to attend?
4.inspect vt.检查,视察,察看 inspection n.
The detective inspected the room for fingerprints.
All food shops should be inspected regularly.
carry out frequent inspections进行经常性检查
inspector检查员,巡视员,视察员,督学
3.fade vi.凋谢,褪色;(声音)变弱,vt.使褪色
Will the color in this material fade?
Sunlight faded my curtains.
The custom is fading.
2.set down记下,写下
He tried to set his ideas down.
At the beginning of his letter Dan set down the date.
含set的短语:
set about着手做某事,set an example树立榜样,set aside放在一边搁置,set free释放,set off动身,出发,set out动身,出发,开始做……,set up竖起来,建立,set sail to/from/for…起航
1.conclude vt. vi.得出结论,断定;结束;达成
What do you conclude from the facts?
We concluded an agreement with the enemy and soon made peace.
conclusion n.结论;结束;结尾;鉴定
come to/draw/reach a conclusion得出结论
18(14分)设集合
,
.
(1)若B=
,求m的取值范围;
(2)若
,求m的取值范围.
19(14分)已知
, ⑴求
的值;⑵求
的值.
20(14分)若函数
的定义域为M,当
时,求
的最值及相应的x的值
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21(15分).如图,四棱锥
的底面是正方形,
,点E在棱PB上.
(Ⅰ)求证:平面
;
(Ⅱ)当
且E为PB的中点时,求AE与
平面ABCD所成的角的的正切值.
22(15分)已知函数
和点
,过点
作曲线
的两条切线
、
,切点分别为
、
.
(1)当t=4时,写出函数f(x)的单调递增区间
(2)求证:
为关于
的方程
的两根;
(3)设
,求函数
的表达式;
(4)在(3)的条件下,若在区间
内总存在
个实数
(可以相同),使得不等式
成立,求
的最大值.
余杭高级中学2009学年第一学期高三第二次月考
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