水平仪是根据（）放大原理制成的。A．杠杆齿轮 B．齿轮齿条 C．转动角度相同，曲率半 发布时间：2017-12-31 09:18 │ 来源：www.tikuol.com 题型：单项选择题 问题： 水平仪是根据（）放大原理制成的。A．杠杆齿轮B．齿轮齿条C．转动角度相同，曲率半径D．齿轮
题型：单项选择题 完形填空。 The town I live in is about to put cameras at all traffic lights to catch people who run red lights. It___1__me of how many people I've seen who take the yellow light as a __2__to go faster. I also can't understand why people don't move when the traffic light has turned green. Above all, there are those___3__situations in which someone doesn't even ___4__that the light turns red, and just keeps going. That is why so many ___5__happen! All these situations make me__6___the purpose of traffic lights. ___7___, it's even more frightening to imagine letting people make their own decisions at __8___ crossroads. Do the biggest cars get to go first? Who decides who goes next? So I guess I do like the idea of a system to__9___traffic. And I'll do my best to___10__the traffic rules: to go, to be cautious, and to stop when I'm__11___to. It occurs to me that my___12__ have done much the same for me__13___teaching me how to live. They have given me many__14__ lights: to get along well with others, to listen and talk to them, to help others, and to__15___with joy and purpose. They have also given me some red lights ___16__my life goes astray(误入歧途): not to be greedy, to keep my temper, and to control my desires. And there___17__have been some yellow caution lights: to watch how much I drink, to keep control of my behavior, and to___18___ school regularly and work hard. If I obey these rules, my life will be as__19___as it can be. Just as I'm wise to pay attention to the traffic lights when I'm walking across the street, I'm wise to pay attention to the " ___20__signals" given to me by my parents. ( )1.A. suggests ( )2.A. sight ( )3.A. instant ( )4.A. notice ( )5.A. events ( )6.A. think of ( )7.A. Besides ( )8.A.noisy ( )9.A. control ( )10.A. learn ( )11.A. supposed ( )12.A. teachers ( )13.A. in charge of ( )14.A. safe ( )15.A. live ( )16.A. unless ( )17.A. still ( )18.A. start ( )19.A. good ( )20.A. traffic B.informs B. signal B. exciting B. sense B. problems B. wonder about B. Anyway B.narrow B. direct B. obey B. used B. friends B. in face of B. green B. share B. when B. even B. attend B. colorful B. light C. reminds C. message C. dangerous C. remember C. situations C. care for C. Instead C.crowded C. improve C. protect C. devoted C. leave C.in terms of C. beneficial C. work C. before C. only C. leave C. meaningful C. life D. warns D. switch D. cautious D. feel D. accidents D. worry about D. However D.key D. serve D. carry D. delighted D. parents D.in danger of D. helpful D. communicate D. till D. also D. miss D. healthy D. confidence 查看答案
题型：单项选择题 (91～93题共用题干) 女性，35岁，1个多月来胸闷、气短来诊。既往体健，查体见心浊音界向两侧扩大，心音减弱。进一步确认应做的检查是A．心包穿刺B．血常规+血沉C．PPD试验D．病毒抗体筛查 查看答案