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Text{{/B}} Sleep ,as we know, is important to us because it helps restore tired organs and tissues in our body. But how much sleep do we actually need For most of us, eight hours seems to be about the right amount.{{U}} (26) {{/U}}we know that there are many people who get{{U}} (27) {{/U}}perfectly with less sleep, and some who may even need{{U}} (28) {{/U}}. A great deal depend on the{{U}} (29) {{/U}}we live. But a good general rule to{{U}} (30) {{/U}}is to sleep as long as we have to in order to feel happy and be able to work{{U}} (31) {{/U}}our best when we awaken. There are actually different{{U}} (32) {{/U}}of sleep. There is a deep sleep and a shallow sleep. In a shallow sleep our body does not get the same kind of rest it gets in a deep sleep, so that after A. causes B. makes C. forces D. leads [单选题]在飞行管理系统中,起飞阶段是指:
A.从选择起飞/复飞电门,直到飞机离地 B.从跑道头人工前推油门杆,直到飞机离地 C.从选择起飞/复飞电门,直到减推力高度(通常在此选择爬升推力) [单项选择]某企业于2002年11月接受一项产品安装任务,采用完工百分比法确认劳务收入,预计安装期14个月,合同总收入200万元,合同预计总成本为158万元。至2003年底已预收款项160万元,余款在安装完成时收回,至2003年12月31日实际发生成本152万元,预计还将发生成本8万元。2002年已确认收入10万元。则该企业2003年度确认收入为 ( )万元。
A. 160 B. 180 C. 200 D. 182 [填空题]配气机构保证柴油机的换气过程按照 ( ) 的要求准确无误的进行。
[单选题]以下哪项属于职业病( )
A.先天性耳聋 B.喷漆工人患上白血病 C.工作时摔伤了腿 D.颈椎病 [单选题]带煤气作业人员必须配备并使用( )。
A.防毒口罩 B.过滤式防毒面具 C.隔离式呼吸保护器具 [简答题]简述常用的拣配方式
[单选题]行政机关公文用纸的幅面尺寸规定是():
A.A4 B.B5 C.16开 D.以上都可以 [单项选择]在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程:
Private Sub Command1_Click( ) c="ABCD" For n = 1 To 4 Print ______ Next End Sub 程序运行后,单击命令按钮,要求在窗体上显示如下内容: D CD BCD ABCD 则在 ______ 处应填入的内容为 A. Left(c,n) B. Right(c,n) C. Mid(c,n,1) D. Mid(c,n,n) [多选题]下列焊条电弧焊的特点(____)是错误的。
A. 设备复杂 B. 成本高 C. 劳动强度高 D. 生产效率高 [多项选择]湘菜的代表名菜有腊味合蒸、冰糖湘莲、()。
A. 九转大肠 B. 发丝百叶 C. 鸡茸金丝笋 D. 松鼠桂鱼 E. 霸王别姬 我来回答: 提交
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