皮皮学，免费搜题
登录
搜题
【单选题】
关于使用索引,下列哪个说法是正确的( )。A.
节省磁盘空间
B.
缩短查询时间
C.
在执行插入、修改、删除时节省时间
D.
索引与表无关
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】(高中Unit 5)下面哪一个选项是空缺处的最佳答案？My brother has read all the Harry Potter_______and now he wants to watch the film.
A.
magazines
B.
comics
C.
newspapers
D.
books
【判断题】斜盘式轴向柱塞泵,它主要由转动的泵轴、缸体、柱塞和不转动的斜盘、配流盘等组成。改变斜盘的倾角方向,就可以改变泵的流量;改变斜盘的倾角大小,就可以改变吸排方向
A.
正确
B.
错误
【单选题】(高中Unit 5)下面哪一个选项是空缺处的最佳答案？Lots of young people listen to ______ even in the street or on the bus.
A.
their friends
B.
their parents
C.
TV
D.
music
【单选题】(高中Unit 5)下面哪一个选项是空缺处的最佳答案？Football is purely a ________ sport for millions of people all around the world.
A.
spectator
B.
audience
C.
viewers
D.
watcher
【单选题】(高中Unit 5)下面哪一个选项是空缺处的最佳答案？I am not very active but I love to watch lots of different _______on TV?
A.
sports
B.
audience
C.
viewers
D.
watchers
【单选题】(高中Unit 5)下面哪一个选项是空缺处的最佳答案？My friends love to _______ with his friends and talk. They are not very active people.
A.
shop
B.
often
C.
hang out
D.
dance
【单选题】(高中Unit 5)下面哪一个选项是空缺处的最佳答案？I don't go to the _______very often as it has become very expensive.
A.
park
B.
shopping mall
C.
computer shop
D.
cinema
相关题目：
参考解析：
知识点：
题目纠错 0
发布
