明火属于( )火源
A.机械
B.热
C.电
D.化学
本题为单选题，请给出正确答案，谢谢
D
化学点火源（明火、自然发热）；高温点火源（高温表面、热辐射）；电气点火源（电火花、静电火花）；冲击点火源（冲击与摩擦、绝热压缩）
【问题1】（2分）
为程序中空缺处（1）选择正确答案。
备选答案：
A. Open B. Run C. Execute D. Dim
A. lies in
B. lays in
C. lies to
D. lies
A. of
B. in
C. to
D. at
党组必须设书记、副书记。
A.正确
B.错误
参考答案：错误
Module 7 单元课堂检测卷您的姓名： 填空题 *_.单选1.Jenny, put on your coat, _ you will catch a cold. 单选题 *A. or 【正确答案】B. andC. butD. so2. My teacher often _ us with so much useful advice. 单选题 *A. provides 【正确答案】B. offersC. givesD. shows3. The students are preparing for the coming test _ the end of June. 单选题 *A. at 【正确答案】B. inC. toD. on4. The English course will _ for about a month. 单选题 *A. last 【正确答案】B. spendC. costD. pay5.Work hard, and you will make greater _ in all the subjects. 单选题 *A. chanceB. cultureC. activityD. progress 【正确答案】6. Im feeling terrible ! I have a bad cold.-Youd better _ a doctor at once. 单选题 *A. to seeB. see 【正确答案】C. sawD. seeing7. We formed close _ with teachers during our three-month course in Australia. 单选题 *A.systemsB.friendships 【正确答案】C. backgroundsD.competitions8. The children took a trip _ the Great Wall last week. 单选题 *A. to 【正确答案】B. forC. withD. at9. He bought a lot of things in the market and the _ cost was 600 yuan. 单选题 *A. allB. total 【正确答案】C. highD. daily10.You have to _ one hundred and fifty yuan for those books. 单选题 *A.takeB. spendC. pay 【正确答案】D. costII.完形填空 Some people say that English is an easy language to learn. At the same time they think thatChinese is the 11 But is that true? It _12_ many things. Chinese, for example, has no tense (时态), but its writing system is very _13_ from that of English. One thing might be harder, _14_ another is simpler.I think English is neither easy nor difficult. With experience and practice, it becomes easier. Without experience and practice, it is harder than many languages. What makes a language easier? First, you should always use it. Second, if you are _15_ in it, it will become easier. Third, its a good idea to_16_ articles (文章) in that language. _17_, talk with people in that language. Each language _18_ its peculiarities (特点), and that is easy and hard features of it. Of course if your mother tongue (母语) shares the same things with the language you are learning, things will be easier.11.单选题 *A. most interestingB.shortestC. most difficult 【正确答案】D. easiest12. 单选题 *A. lives onB. puts onC. keeps onD.depends on 【正确答案】13. 单选题 *A. easyB. different 【正确答案】C. funD. slow14. 单选题 *orsobut 【正确答案】D. because15. 单选题 *confusedtiredinterested 【正确答案】D. bored16. 单选题 *A.read 【正确答案】B.C.listenD. speak17. 单选题 *A.ClearlyB.Finally 【正确答案】C.NearlyD. Recently18. 单选题 *A.B.eatsC.writesD. has 【正确答案】. 阅读理解 My name is Betty Sanders. Im a telephone operator (话务员) and work for a company. My job is very interesting. I love it very much. I work five days a week and my working hours is from 9:00 am to 5:00 pm.I do a lot of things I place long-distance (转接长途) calls for people; I answer questions and I help people when they are in tro、uble. Today, I had an interesting experience. At 11 oclock this morning, I got a call from a man. He was in trouble and I could tell that he was worried about something. He gave me an address (地址) and asked me to send an ambulance (救护车) right away. I asked him if somebody was hurt, but he didnt answ
A. fond of
B.interest in
C. appear to
D. appeal to
A. have taught
B. have been taught
C. has taught
D. had been taught
A. added to
B. added in
C. added up to
D. added on
A. knowledge-oriented
B. quality-oriented
C. skill-oriented
D. test-oriented
已知函数test定义为()。
A.执行函数test后，函数没有返回值
B.执行函数test后，函数不再返回
C.执行函数test后，函数返回任意类型值
D.以上三个答案都是错误的