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【简答题】
根据句子意思和所给提示，完成下列句子。 1. Can you answer my question (正确地). 2. Dragon is the _________ (象征) of China. 3. The _________ (表演者) all danced very well. 4. The girl looks good in a________( 闪闪发光的) red silk dress. 5. It is _________ (有意义的) to help the children in poor areas. 6. You can s_________for information on the Internet. 7. This exam (考试) is to test your k_________. 8. TV is short for t . 9. The air in the town was very f_________. 10. China is f for the Great Wall.
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举一反三
【单选题】在碰撞理论中,碰撞直径d、碰撞参数b与反射角θ的理解,不正确的是( )
A.
0 分子发生碰撞
B.
0 兀,分子发生碰撞
C.
若b=0,则θ=0
D.
若b=d,则θ=兀/2
【简答题】已知函数f（x）=sin（x+ ）+sin（x﹣ ）+cosx+a（a∈R，a为常数）． （Ⅰ）求函数f（x）的最小正周期； （Ⅱ）若函数f（x）在[﹣ ， ]上的最大值与最小值之和为 ，求实数a的值．
【单选题】A) She received a bonus unexpectedly. B) She got a well-paying job in a bank. C She received her first monthly salary. D) She got a pay raise for her performance.
A.
B.
C.
D.
D
【多选题】( )是500 年来五台山佛教的最大特色。
A.
青庙与黄庙并存
B.
显教与密教竞传
C.
近代中国佛教最大的国际性道场
D.
拥有丰富的石雕、泥塑和璧画
E.
是我国历史最悠久、最负盛名的寺院
【单选题】•Read the magazine article below a new tape storage system. •For questions 23-28,choeso the correct answer. •Mark one letter (A, B or C) on your Answer Sheet. TapeStore: A NEW TAPE SIORAGE SYSTEM Tape...
A.
it can also take video cassettes.
B.
it is much smaller.
C.
it holds more information.
【多选题】下列关于神经-骨骼肌接头处兴奋传递的描述,正确的是
A.
是“电-化学-电”的过程
B.
ACh释放的关键是Ca 2+ 外流
C.
ACh的释放是量子释放
D.
终板电位是局部电位,总和达到阈电位水平时,使终板膜产生动作电位
E.
ACh发挥作用后被胆碱脂酶分解失活
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