阅读下图数据，按要求在横线处填写适当的文字。(6分) (1)从上图中可以看出我国城乡劳动力人口受教育情况有如下特点(用对比说明，每
下列各组二次根式，属于同类二次根式的是（ ） A．与 B．与 C．与
15.1874年.法国人米拉在中国引进了日本人力车，车身一律漆成黄色，故又名黄包车.在20世纪20至30年代，它的数量远超过汽车，达到五六万辆之多，在城
51 But still there is a danger that grows every year. Airliners get larger. Some airplanes can hold over 300 passengers. And the air itself becomes more and more crowded. If one giant airl
The WTO cannot live up to its name _______ it does not include a country that is home to one fifth of mankind. A. as long as B. while C. if D. even though
______ that no one was ever prepared for it. A. So suddenly did the bad news come B. So suddenly the bad news came C. So did the bad news come suddenly D. Did the bad news come so
设函数，其中，则导数的取值范围是 A. B. C. D.
Fans crowded the street outside, ______ a look at their hero. A. waiting for B. waited for C. to wait for D. to be waiting for
