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立。 若不存在,请说明理由,若存在,求出 a 的值并加以证明. 请考生在 2 2 24 三题中任选一题作答,如果多做,则按所做第一个题目计分,做答时,请用 2B铅笔在答题卡上将所选题号后的方框涂黑 . 22.(本题满分 10分)选修 41:几何证明选讲 如图所示, AC 为 ⊙ O 的直径, D 为 圆弧 BC 的中点, E 为弦 BC 的中点 . ( 1)求证: //DE AB ; (
( ) _______ to New York tomorrow. flying flown ( ) 3. is_____a new bike today. ( ) children_____football. playing playing the a ( ) Jim______ his white shirt and brown trousers. putting on on wearing
says,“You can’t f______________ kites here.” oranges are o______________ . Some are green . 六,按要求改写句子 (10 分 ) 1. There are some old nurses in the hospital.(改为单数形式 ) There _______ ________ old nurse
on D. C. ( )2. English is not the first language in_________. A. Canada C. Germany ( )3. When is Women’s Day? A. June 1st . B. March 8th. C. September 10th. ( )4. There are_____days in February This
_______ (have / has) tails. 6. The boy ________ (on / in) the chair ________ (is / are) Philip. 7. We are __________ (China / Chinese). We have some ___________ (American / America) postcards. 8.
e are tested when you play the A B C D ( )7. This puter was made by Beijing last A B C D ( )8. I’m sorry I fot my English book at home? Can I bring it here tomorrow?_________ A B C D ( )9. I was
3. 我的答案是“不太担心”。 4. 没有人能够离开空气和水生活。 5. 我一点也不担心这个。 6. 那些人根本不关心环境和其他人。 7. 你对这些问题有什 么看法。 8. 你能够帮助我吗。 9. 她待人友善,热心助人。 10. 今晚没有什么电视节目。 Unit 5 Language Calss____________Name_______________Mark 学习目标: who and
亲为他感到担心。 His mother is _________ ___________ him. 6. 我们应该关心环境。 We should _________ _______________the environment. 7. 没有水和空气,无人能生存。 No one can live_________water___________air. 8. 这就是我所想的。 That’s
___ ___ ___ (墙壁 ) w ___ ___ ___ ___ oar ___ (夹克衫 ) jac ___ ___ ___ ___ ___ ir___ T___ ___irt (地板 ) __ __ oor 1+1=2 m ___ ___ ___ 红色 ___ ___ ___ 九. Read and choose (选择并将序号填在前面的括号里 )( 8分) ( )1. It’s
evening. 5, Sally ____________ (be) happy this morning. But now she ____________ . She ____________ (be) sad. 6, ____________ they ____________ (have) a party yesterday? Yes, they ____________. 四