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【简答题】
Fill in eah of the blanks with one word to complete the following sentences with the help of the initial letter. I have told you so many times that you shouldn’t such your t for it is too dirty. If you don’t warm up before taking exercise, you r injuring yourself. I am sorry to tell you the parcel was sent to the wrong d . His a at once betrayed him to be a foreigner. The boys were w and respectful toward grown-ups. The teacher s groups of children into the bus when the class was over. We eventually c all the difficulties we had come up against. The goal of Olympic athletes is expressed in their m “swifter, higher and stronger. We have to f a passing car in order to ask for help. Large amounts of money were spent on the m building.
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【单选题】下列含有四位有效数字的是
A.
0.089
B.
0.0089
C.
0.00089
D.
0.08900
【简答题】猪肉韭菜馅包子,每个100克,其中未发酵的小麦粉40克,五花肉40克,韭菜25克,蒸熟,冷冻
【单选题】There is no________ that students will listen attentively in class, if they are _____ The World Cup in South Africa at night
A.
probability ; accustomed to
B.
possibility ; addicted to
C.
need ; drunk with
D.
chance ; familiar with
【单选题】在包装类和基本数据类型进行转换过程中,将基本数据类型的值转为引用数据类型,通常叫做()?
A.
开箱
B.
拆箱
C.
闭箱
D.
装箱
【单选题】若把一根半径为【图片】,线电荷密度为【图片】的无限长直导线插入与其垂直的无限大介质薄板(介电常数【图片】)中,如图所示,则在导线外介质表面上任一点,空气一侧的电场强度【图片】与介质一侧的电场强度【图片】相比 ( )【图片】
A.
,且方向相同。
B.
,且方向相同。
C.
, 且方向相同。
D.
,且方向不同。
【单选题】在包装类和基本数据类型进行转换过程中,将引用数据类型的对象转为基本数据类型的操作,通常叫做()?
A.
装箱
B.
关箱
C.
开箱
D.
拆箱
【判断题】肌肉无法变得更短时叫被动不足。
A.
正确
B.
错误
【单选题】下列是有四位有效数字的是( )。
A.
1.1050
B.
0.100
C.
0.5000
D.
pH=12.00
【单选题】若把一根半径为 a,线电荷密度为【图片】的无线长直导线插入与其垂直的无限大介质薄板(介电常数【图片】)中,如题2图所示,则在导线外【图片】,【图片】的直线上,介质外的电场强度【图片】与介质内部的电场强度【图片】之间有( )【图片】
A.
,且方向相同;
B.
,且方向相同;
C.
,且方向相同;
D.
,且方向不同。
【多选题】下列含有四位有效数字的是
A.
0.089
B.
0.8009
C.
0.00089
D.
0.08900
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