搜题请搜索小程序“爱下问搜题”
问题 填空题

不等式-x2-4x+5＞0的解集是______．

答案

不等式-x2-4x+5＞0化为：x2+4x-5＜0，解得-5＜x＜1．

所以不等式的解集为：{x|-5＜x＜1}；

故答案为：{x|-5＜x＜1}．

选择题

There are a few ______ but little ______ in the cupboard.          [ ]

A. apples, coffee      

B. coffee, apples    

C. apple, coffees
查看答案
单项选择题

There was a big sea bird that was very beautiful. One day, the sea bird (1) to a country and stayed outside of a palace. The Emperor asked his men to bring it to the palace. Then he said," As a (2) for the sea bird, we’ll set up the band and get the best food and wine ready for it. "(3) they played the best music for the sea bird, but it looked (4) . The Emperor introduced the most delicious food and best wine and asked the bird to have them. But the sea bird (5) After three days without eating or drinking, the sea bird (6)  .The Emperor said (7) , "Why didn’t you eat I gave you all of the (8) !"The story tells us that what some people believe to be the best music and the best food aren’t so for (9) . Feed a bird according to a bird’s wants, not a person’s. The (10) "Do to others as you would have others do to you. " is never really suitable or right.

第（6）空应选择（）

A．disappeared

B．missed

C．lost

D．died
查看答案