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【多选题】
目前汽车修理厂可以采用（）等方法来减少对环境的污染。A.
选用高固体涂料
B.
采用水性涂料
C.
选用提高涂料使用率的工具设备
D.
对废涂料的科学管理
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】序时平均数中的“首末折半法”适用于计算( )
A.
时期数列的资料
B.
间隔相等的时点数列的资料
C.
间隔不等的时点数列的资料
D.
由两个时期数列组成的相对数时间序列资料
【简答题】ZrO2、MnO2和晶体中，最易形成间隙型固溶体的是 。
【单选题】序时平均数中的“首末折半法”适用于计算( )
A.
时期数列的资料
B.
间隔相等的时点数列的资料
C.
间隔不等的时点数列的资料
D.
由两个时期数列构成的相对数时间序列资料
【单选题】序时平均数计算中的“首末半折法”适用于计算( )
A.
时期序列的资料
B.
间隔相等的不连续时点序列资料
C.
间隔不等的不连续时点序列资料
D.
相对数时间序列的资料
【简答题】Joshua, my son, is fif years old. He was born with Down Syndrome (唐氏综合症). In the last fif years. I have experienced many difficult and stories. However, right now I want to just stick to the t...
【单选题】若有定义 int a=5, *p1=&a, *p2=&a; 则下面不能正确执行的赋值语句是( )。
A.
p1=p2;
B.
p1=a;
C.
a=*p1+*p2
D.
a=*p1*(*p2)
【简答题】We arrived at the hospital only to find Dad weak, but his smile was as sure as ever. My husband and I had to work, so our relatives would help him get home from the hospital and look after him. But I ...
【单选题】---- We weren’t sure which way to go. In the end we turned right. ---- You _____ the wrong way. You _____ left.
A.
went; should have turned
B.
have gone; must turn
C.
went; will have turned
D.
had gone; must have turned
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