题目

 ( )1.Don't worry.Bill will help you look after your dog when you ________ away on business. A.are  B.were  C.will be  D.have been 答案:A我市某学校有住宿生若干名,分住若干间宿舍,若每间住4人,则还有19人无宿舍住;若每间住7人,则有一间宿舍不空但所住的人数不足5人.若设宿舍间数为x,根据题意x应满足的不等式(组)为(  ) A、4x+19-7(x-1)>0B、4x+19-7(x-1)<5C、4x+19-7(x-1)>04x+19-7(x-1)<5D、4x+19-7x>04x+19-7x<5
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