【简答题】I’m afraid you’ve missed the d____, because the teacher asked us to hand in the report before March 30th.
【简答题】Scientists think they have _____ in their attempt tofind the causes of some major dieases. A. broken through B. worked out C. fallen out D. gotround
【单选题】关于照明正确的说法是
B.
光强是指单位面积在某一方向上射向眼睛的光亮大小的数值
C.
照度是指当一个物体表面收到均匀照射时,单位面积上的采光均匀度
D.
光亮度是指全部利用天然光进行采光时的室外最低照度
E.
采光均匀度是指在假定工作面上采光系数的最高值与平均值之比
【单选题】借景的方法有多种,如借池塘中的鱼称为()
【简答题】Within ten years scientists will probably have
【简答题】Scientists have to work hard to keep _____ with moderndiscoveries and developments. A. company B. track C.touch D. pace
【简答题】根据句意及首字母提示补全单词 1. The teacher asked the two students to make a short d about shopping. 2. We learned some poems written by Li Bai yesterday. Our teacher asked us to r them. 3. The little girl was fr...
【简答题】For years scientists have been worried about the ___________ of air pollution on the earth’s natural conditions. A. effect B. result C. account D. cause
【简答题】A On the first day of the 11th grade, our new math teacher Mr Washington asked me to go to the blackboard to do a math problem. I told him that I couldn’t do it. He asked, “Why not?” I paused, and the...
【单选题】What do scientists think causes dreams?
B.
Scientists have not found the reason up to now.
D.
It is not mentioned in the article, but scientists have known it.