光面爆破时，周边光爆炮眼应用炮泥封实，且封泥长度不得小于（）米。A0.2 B.0.3 发布时间：2019-10-14 22:17 │ 来源：www.tikuol.com 题型：单项选择题 问题： 光面爆破时，周边光爆炮眼应用炮泥封实，且封泥长度不得小于（）米。A0.2B.0.3C.0.4D.0.5
题型：单项选择题 完形填空。 My brother Bob likes sports very much. He likes to __1__ basketball. He likes to __2__ sports on TV. He __3__ basketball every day in the afternoon and watches TV every evening. He has __4__ great sports collection. He has six basketballs, three baseballs, nine volleyballs __5__ five tennis rackets. Bob likes carrots and chicken. He usually __6__ them for dinner. For breakfast, he__7__ eat eggs. He usually __8__ bananas for dinner. He __9__ action movies. He often goes to a movie __10__ my sister, Gina.( ) 1. A. play ( ) 2. A. look ( ) 3. A. plays ( ) 4. A. an ( ) 5. A. but ( ) 6. A. eats ( ) 7. A. doesn't ( ) 8. A. has ( ) 9. A. like ( ) 10. A. and B. plays B. sees B. play B. second B. for B. eat B. don't B. is B. likes B. for C. playing C. watch C. to play C. a C. of C. have C. isn't C. are C. have C. of D. played D. watches D. playing D. first D. and D. is D. aren't D. have D. has D. with 查看答案
题型：单项选择题 带电粒子M只在电场力作用下由P点运动到Q点，在此过程中克服电场力做了2.6×10-6 J的功。那么[ ]A．M在P点的电势能一定小于它在Q点的电势能 B．P点的场强一定小于Q点的场强 C．P点的电势一定高于Q点的电势 D．M在P点的动能一定大于它在Q点的动能 查看答案