在横线里填上“＞”“＜”或“=”．15×34______1515÷34_____

一幅地图，用5cm表示80km，这幅地图的比例尺是1：16000。[     ]

通过保温使仪表管线内介质的温度应保持在（）℃之间。

A、20～80

B、0～10

C、15～20

D、20～100

澶渊之盟发生在哪两个 * * 之间？（    ）

A．辽和西夏

B．北宋和西夏

C．北宋和辽

D．北宋和吐蕃

小题1:This advertisement is designed especially for those who __________．

A．like eating in restaurants

B．have little time

C．prefer home-cooked meals

D．want to save money小题2:What information CAN’T we get from the advertisement about Quickeats?

A．Different kinds．

B．High quality．

C．Exact prices．

D．Good taste．小题3:Which of the following can be cooled in a refrigerator before eating according to the ads?

A．Pasta Salad．

B．Dried Fruit．

C．Noodles．

D．Nuts．小题4:What can we learn from the advertisement?

A．Get one Quickeats container and you’ll have four Quickeats to eat．

B．Take one coupon and you can eat freely in a participating store．

C．Buy one coupon and you’ll get a free Quickeats．

D．Buy one Quickeats and you’ll get a container．

在棉花收获和加工过程中，目前主要应解决（）混入问题。

A.棉花枯叶

B.尘土

C.花萼

D.异性纤维