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【单选题】
Unwanted e-mail may ______A.
cause companies to fail in business
B.
cause wanted e-mail messages to lose
C.
damage the credit of a company
D.
do good to a small company
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【简答题】宅间绿地的植物布置要注意哪些问题?
【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】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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