Complete each group of sentences with the two adverbs given.close; closelya. Watch that man ______.b. He lives ______to the school.
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Fill in the blanks with adverbs from the box, so that the completed sentences mean the same with the sentences or words in brackets.usually sometimesever still hardly just1 ______a minute. (= Wait a minute.)2 Do you ______live at the same address? (= You haven’t moved.)3 May in Paris isn’t always nice; it ______rains a lot (= but not every day).4 A really good cigar isn’t ______(= never is) cheap. (=It is always expensive.)5 She ______ever (= almost never) goes to bed before midnight.6 He doesn’t ______(= doesn’t often) have coffee in the mornings.
(1+X)以下 List 和 Set 的描述,最正确的是( )。
A. List 集合中的元素是无序的、不可重复的。
B. List 集合中的元素是有序的、不可重复的。
C. Set 集合中的元素是无序的、不可重复的。
D. Set 集合中的元素是有序的、不可重复的。
实现集合遍历输出的接口是()。
A. Iterator和ListIterator
B. foreach和Iterator
C. while
D. for
Iterator接口只能从前往后遍历集合,如果需要从后向前遍历时实现增加、删除以及替换集合的元素,则须采用()接口。
A. Set
B. Foreach
C. HashSet
D. ListIterator