皮皮学，免费搜题
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【单选题】
下列课程类型中,对教师教学起关键作用的是哪类?A.
官方的课程
B.
理解的课程
C.
经验的课程
D.
理想的课程
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】宅间绿地的植物布置要注意哪些问题?
【单选题】煮沸消毒时,为增强杀菌效果可在水中加入
A.
5%~10%硫代硫酸钠
B.
3%~4%对氨基水杨酸钠
C.
4.5%~5%亚硝酸钠
D.
1%~2%碳酸氢钠
E.
0.1%~0.25%某妥英钠
【单选题】Do you have any other ___________ to make on this subject? The more, the better.
A.
advices
B.
suggestions
C.
knowledge
D.
news
【单选题】In order to avoid being struck by a rattlesnake, the author offers the following suggestions EXCEPT______.
A.
Wearing thick boots and clothes when you travel in a rattlesnake area
B.
walking slowly when you go through high grass in a rattlesnake area
C.
running as quickly as possible when you hear a rattlesnake
D.
looking before you reach or step when climbing
【单选题】What would be the man's reaction to the woman's suggestion?
A.
He would follow the suggestion and get more clothes.
B.
He would make a phone call for some advice.
C.
He would possibly decline the suggestion anyway.
D.
He would happily accept the advice.
【单选题】HashSet在创建对象存储元素的时候，以下说法错误的是（ ）
A.
可以使用泛型
B.
可以存储任意内容
C.
存储和取出的顺序不同
D.
存储的元素会按照一定的规则，不会去除重复元素
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