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【简答题】
(选做)对于正整数a,b,假设他们的素因子展开式为: 试证明:
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反馈参考答案：
举一反三
【单选题】关于酸碱指示剂，下列说法中正确的是：（ ）。
A.
指示剂为有色物质
B.
指示剂的变色范围必须全部落在滴定突跃范围之内
C.
指示剂为弱酸或弱碱，其酸式或碱式结构具有不同颜色
D.
指示剂在酸碱溶液中呈现不同颜色，变色范围越窄越好
【判断题】It
is acceptable for extension lines to cross each other but it is not acceptable
for extension lines to cross dimension lines.
A.
正确
B.
错误
【简答题】利用 for 循环打印上边 member 列表中的每个内容
【简答题】影响物料储存器的主要因素有哪些?对工艺设计有哪些影响?
【判断题】In China it is an unfamiliar scene that grandparents take their grandchildren to or from school every day, which, however, quite often happens in the West.
A.
正确
B.
错误
【单选题】Before crossing the road, stop and look both ways, left and right. If the road is clear, it is safe to cross. The __________ way to cross is to walk quickly, but not to run. If you run across the road...
A.
right
B.
correct
C.
wrong
D.
safe
【单选题】It is difficult to cross the desert by car,but not impossible.
A.
seemingly
B.
imaginably
C.
absolutely
D.
highly
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