【单选题】5 (76-78页Unit 3)Which of the following is not mentioned as a circumstance under which endorphins may be released?
A.
When we are reading an e-book.
B.
When we have solved a difficult problem
C.
When we have won a game.
D.
When we are instant-messaging our friends
【单选题】对于高斯光束描述正确的是( )。
C.
高斯光束任一横截面上的光斑具有均匀的强度分布
【单选题】下列关于子宫的位置和毗邻的说法,正确的是( )
【单选题】Reading Comprehension in Unit 5 A Chinese Artist in Harlem No. 3
A.
见任务点文档 Unit 5-Reading.pdf
B.
见任务点文档 Unit 5-Reading.pdf
C.
见任务点文档 Unit 5-Reading.pdf
D.
见任务点文档 Unit 5-Reading.pdf
【判断题】已闻雷声,风雨将至,站长想起3号A相避雷器缺陷处理尚剩一点尾工,于是指派小章赶快处理,并要求在风雨到来前完工。站长的行为对否?
【判断题】已闻雷声,风雨将至,站长想起 3 号 A 相避雷器缺陷处理尚剩一点尾工,于是布置小章赶快处理,并要求在风雨到来前完工。站长的做法对不对?( )
【简答题】计算. 35×2= 135÷3= 72×5= 630÷9= 85÷5= 189÷9= 76×2= 45×8=