一般计算机关机后距离下一次开机的时间间隔至少应有()。
A.1分钟
B.3秒
C.20秒
D.10秒
参考答案:D
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,每句最多有两处,每处错误仅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.每处错误及其修改均仅限一词;
2. 只允许修改10处,多者(从第11处起)不计分。
This morning I got up early and went to school as usually, only to find there were nobody in the classroom because it is Sunday. “How a bad memory I have!” I couldn’t help laughing. Stand in front of the school gate, I began to wonder what to do next. Suddenly a good idea occurs to me. “Why not get together with some good friends for a picnic in such a fine weather?” I immediately telephoned some of my best friends, but they all agreed to join me. About two hours late, we finally arrived a pleasant park with trees and flowers here and there. We really enjoyed us greatly.
有关硬膜外阻滞用于剖宫产,下列哪条是不正确的()
A.对胎儿呼吸循环无抑制
B.止痛效果可靠
C.宫缩痛被解除
D.麻醉平面与血压较易控制
E.宫缩被抑制