电动机安装完成后,必须进行相关的实验,确保电动机能够正常、安全地运转后才能将电动机与()连接。
A.绕组线圈
B.传动装置
C.外壳
D.轴承
参考答案:B
短文改错 (共10小题;每小题1分,满分10分)
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1. 每处错误及其修改仅限一词;
2. 只允许修改10处,多者(从第11处起)不计分。
I eager to go to college because I know there is so many to learn about the world and about
human beings. Knowledge is a source of pleasure for me. I want to study at a college for the fun to
knowledge. I know the college education can prepare me better for my future. Better education
meant, in my opinion, better jobs, better opportunity and better choices. I want to go to college
because I know that my parents and other people care for me will be happily with that. Unless I
can study at a nice university, I will make them happier. I’d hate to let you down. That’s why I
must go to college.
科考人员在河西走廊发现了一种类似于蜂巢的地貌,裸露在外的花岗岩千疮百孔,距今已有上亿年,周围有4-5亿年之前形成的沉积岩,图6是该地区地质剖面图。读图回答下面问题。
形成“蜂巢”地质作用是()
A.流水侵蚀
B.风力侵蚀
C.冰川侵蚀
D.流水沉积