As soon as the children were _____, their mother got them out of bed and into the bathroom. A. woke B. waken
文学类文阅读(22分) 母 亲 莫 言 ①我5岁的时候,正处于中国历史上一个艰难的岁月。生活留给我最初的记忆是母亲坐在一棵白花盛开的梨树下,用一
维修电炉时,将电阻丝的长度缩短十分之一,则修理后电炉的功率和维修前的功率之比是() A.9∶10 B.10∶9 C.10∶11 D.11∶10
(tan5°-cot5°)·=___________.
--When will you come home for dinner? I will prepare it for you. --Don’t ______it. I’ll eat out with my friends. A. care about B. bother about C. worry about D. talk about
TiO2既是制备其他含钛化合物的原料,又是一种性能优异的白色颜料。 (1)实验室利用反应TiO2(s)+CCl4(g)TiCl4(g)+CO2(g),在无水无氧条件下制备T
如图所示,在y>0的空间中存在匀强电场,场强沿y轴负方向;在y<0的空间中,存在匀强磁场,磁场方向垂直xy平面(纸面)向外。一电量为q、质量为m
“有心栽花花不开,无心插柳柳成荫”说明茎的功能是( ) A.支持B.贮藏C.输导D.生殖