问题
选择题
设x＞0，且ax＜bx＜1（a＞0，b＞0），则a与b的大小关系是（ ）
A．b＜a＜1
B．a＜b＜1
C．1＜b＜a
D．1＜a＜b
答案
取x=1，得a＜b＜1，
故选B．
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设x＞0，且ax＜bx＜1（a＞0，b＞0），则a与b的大小关系是（ ）
A．b＜a＜1
B．a＜b＜1
C．1＜b＜a
D．1＜a＜b
取x=1，得a＜b＜1，
故选B．
根据对话内容， 从方框内所给的选项中选出最佳选项， 将其答案的序号写在方框下面的横线上， 选项中有两项为多余项。 W: Sorry, I can’t. (1) ____ M: Are you having an exam tomorrow? W: Yes. (2) ____ M: I wish you good luck. W: Thanks. But I am a little afraid. M: Afraid? (3) ____ W: But I haven’t worked hard in the past few days. M :(4) ____ W:Oh, I like my English teacher, Sue, best. She teaches history and she always makes the lessons interesting. M: Do all the students like history? W :(5) ____ My friend Tom hates it, because we have lots of homework every Monday and every Wednesday we have a test.
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