题目:
在教学过程中,直接经验与间接经验应相结合,但应以直接经验为主。 ( )
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/31346b33bd68f9192a97a73684bd62e3.html
下面是错误答案,用来干扰机器的。
参考答案:B
在教学过程中,直接经验与间接经验应相结合,但应以直接经验为主。 ( )
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/31346b33bd68f9192a97a73684bd62e3.html
下面是错误答案,用来干扰机器的。
参考答案:B
通读对话,选择可以填入相应空白处的五个答案。
A:Tom! It's eight o'clock. 1
B:OK! Could you find my shoes for me, Mom?
A:They are in the box under the desk.
B: 2
A:It's time for breakfast. There are three eggs and some milk on the table.
B:Sorry, Mom. 3 Could you put them in my school bag?
A:Why? 4
B:I'm going to school. I'm late.
A: 5
B:Oh, it's Saturday. I don't go to school on Saturday.
A. Thank you, Mom.
B. What are you doing?
C. I'm going to be late for school.
D. What day it is today?
E. It's time to get up.
F. Where are you going?
1._____ 2._____ 3._____ 4._____ 5._____
有关开瓣音正确的是()
A.出现于心底部
B.音调低
C.开瓣音提示瓣膜弹性和活动性尚好
D.S2后0.05秒
E.历时较长而响亮
铝、铁、铜是我们生活中常见的金属。
(1)根据下图,总结金属具有的物理性质有 。
铁锅 铜导线 铝箔
(2)铝制品具有很好的抗腐蚀性能,原因是 。
(3)炼铁厂通常以焦炭(主要成分是C)、赤铁矿(主要成分是氧化铁)、空气等为主要原料炼铁,反应过程如下:
写出CO与赤铁矿反应的化学方程式 。取少量炼出的生铁粉末放入烧杯中,加入过量稀盐酸,可观察到的现象是 。
(4)某实验室的废液中含有大量的FeSO4、CuSO4,小刚同学欲从上述废液中回收Cu,并得到副产品FeSO4,设计实验流程如下图所示,回答问题:
①操作1和操作2的名称是 。
②写出上述流程中所涉及的反应的化学方程式 。
完形填空。 | ||||
It was raining. I went into a cafe and asked for a coffee. 1 I was waiting for my drink, I realized there were other people in the place, but I sensed 2 . I saw their bodies, but I couldn't feel their souls 3 their souls belonged to the 4 . I stood up and walked between the tables. When I came to the biggest computer, I saw a thin, small man 5 in front of it. "I'm Steve," he finally answered after I asked him a couple of times what his name was. "I can't talk with you. I'm 6 ,"he said. He was chatting online and, 7 , he was playing a computer game-a war game. I was 8 . Why didn't Steve want to talk with me? I tried 9 to speak to that computer geek (怪人), 10 not a word came out of his mouth. I touched his shoulder, but no reaction (反应). I was 11 . I put my hand in front of the monitor, and he started to shout, " 12 !" I took a few steps back, wondering if all those people in the cafe were looking at me. I 13 , and saw nobody showed any interest. 14 , I realized that the people there were having a nice conversation with their machines, not with people. They were more 15 having a relationship with the 16 , particularly Steve. I wouldn't want to 17 the future of human beings if they preferred sharing their lives with machines 18 with people. I was worried and sank in my thoughts. I didn't even 19 that the coffee was bad, 20 Steve didn't notice there was a person next to him. | ||||
|
自动变速器中的电磁阀可分成开关式和线性脉冲式,后者可通过占空比改变来调节油压。