语文
1.依次填人下面横线处的语句，顺序最恰当的一项是（）。
针鼹的外形和刺猬差不多， 。不仅背上， ， 。一日遇到敌害，它就可以蜷成一团，像刺猬一样， ， 。
①身上都披挂着粗硬而尖锐的刺
②这成了它保护自我的“盾牌"
③敌人也就对它无从下手了
④身体的边缘也都长满了刺
⑤全身根根尖刺一致朝外
A.⑤①②③④
B.⑤①③④②
C.①④②⑤③
D.①④③②⑤
答案：C
解析：第一空应紧接前文描写针鼹和刺猬外形上相似的地方，应该填①,排除AB两项。第二句话具体描写针鼹的刺，有“不仅......也....."固定搭配，应填④②，③提到“敌人”，明显是第三句的内容，排除D项。
数学
1.解答题
记△ABC的内角A,B,C的对边分别为a,b,c,a=4,b=5,c=6.
(Ⅰ)证明：△ABC是锐角三角形;
(Ⅱ)求△ABC的面积。
答案：
英语
一、完形填空
通读下面的短文,掌握其大意。然后,从每小题的四个选择项中选出可填入相应空白处的最佳选项。
My daughter was in her last year of high school. She waned to have some adventures before she 1 the school. She took an adventure class, This was a class where2 climbed to different heights, They
began at 35 feet and3 up from there.
When she told me this, I was4 . I knew she was afraid of heights. She came home and told me her first climb didn't go5 . She went up the 35-foot pole. She said she was fine6 up the pole.When she got up there, she realized she had to7on a line to get to the other side. She looked downand saw how far she was from the8 .She felt frightened and began to9 .
She said she hadnever felt this fearful in her,10 . She was so afraid that she couldn't move and11 to come down.
When her feet12the ground, she started to cry.She didn't want to13the class. She had no choice but to do all the other climbs. She didn't let14hold her back. She was able to finish the class with 12 climbs. She got an A.I'm so15 of her.
1. A. had B. left C.started D. attended
2.A. workers B. travellers C. students D.customers
3.A. went B. lined C. warmed D. looked
4.A. tired B. changed C. ashamed D. surprised
5.A. down B. back C. strong D. well
6. A. giving B. making C.climbing D. building
7. A. walk B. turn C. sleep D. work
8.A. school B. sky C. home D. ground
9.A. run B. rise C. shake D. jump
10.A. time B. life C. culture D. language
11.A. pretended B. acted C. promised D. asked
12.A. touched B. searched C. kicked D.covered
13. A. hold B. fail C. offer D. push
14.A.joy B. anger C.feare D. shock
15. A. kind B. proud C. afraid D. hopeful
1.答案：B
解析：句意：她想在离开学校之前经历一些冒险。had 意为“拥有”;left意为“离开”started 意为“开始”;attended意为“参加”。根据句意,故选B。
2.答案：C
解析：句意：在这门课上,学生要爬到不同的高度。前文提到,作者的女儿参加了一门探险课程,所以参与到课堂中的应是学生们。workers 意为“工人,人员”;travellers意为“旅行者”students 意为“学生”;customers意为“客户;顾客”,故选C。
3.答案：A
解析：句意：学生们从35英尺的地方开始向上爬。went up 意为“向上,上升”;lined wp意为“排队”;warmed up意为“热身”;looked up 意为“查找”,故选 A。
4.答案：D
解析：句意：当她告诉我这件事时,我很惊讶。文章后面提到,作者的女儿恐高,由此可知,当女儿告诉作者她参加了探险课程时,作者应该会感到惊讶。tired 意为“疲倦的”;changed 意为“经过改变的”;ashamed意为“感到羞愧的”;surprised意为“惊讶的”,故选D。
5.答案：D
解析：句意：她回家后告诉我,她第一次爬得不太顺利。go down 意为“下降”;go back意为“返回”;go strong意为“精力充沛”;g0 well意为“进展顺利”。根据句意,故选D。
6.答案：C
解析：句意：她说她爬杆子没问题。giving意为“赠送”;making意为“制造”;climbing意为“攀爬”;building意为“建造”,故选C。
7.答案：A
解析：句意：但当她爬上去的时候,她意识到她必须走在一条线上才能到达另一边walk on意为“走在………上”;tum on意为“打开”;sleep on意为“睡在……上”;work on意为“努力改进”。根据句意,故选A。
8.答案：D
解析：句意：她低头往下看,看自己离地面有多远。schoo意为“学校”;sky意为“天空”;home意为“家”;ground意为“地面”,故选D。
9.答案：C
解析：句意：她感到害怕,开始发抖。run意为“奔跑”;rise意为“升起”;shake意为“颤抖”;jump 意为“跳跃”,故选C。
10.答案：B
解析：句意：她说她一生中从未感到如此恐惧。time意为“时间”;life 意为“一生”；culture意为“文化”;language意为“语言”,故选B。
11.答案：D
解析：句意：她害怕得动弹不得,要求下来。前面提到,她感到很恐惧,害怕得动弹不得,所以此处应是她请求下来。pretended意为“假装”;acted意为“行动”;promised意为“承诺”;asked 意为“请求,要求”,故选D。
12.答案：A
解析：句意：当她双脚着地时,她哭了起来。touched意为“接触”;searched意为“搜查”;kicked意为“踢”;covered意为“覆盖”,故选 A。
13.答案：B
解析：句意：她不想挂科。下文提到她别无选择,只能爬完所有其他的攀爬。由此可知,她不想这门课不及格。hold意为“托住”;fai意为“失败,不及格”;ofer意为“提供”;push意为“推”故选B。
14.答案：C
解析：句意：她没有让恐惧阻止她。joy意为“高兴”;anger意为“愤怒”;fear意为“害怕”；shock意为“吃惊”,故选C。
15.答案：B
解析：句意：我真为她骄傲。前面提到,作者的女儿克服了恐惧,她完成了12次攀爬,而且成绩得了A。由此可知,作者为女儿感到自豪。kind意为“亲切友好的”;proud意为“自豪的”;afaid意为“害怕的”;hopeful意为“满怀希望的”,故选B。
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