大气环境影响减缓措施应从改变能源系统及()方面进行分析。
A.能源集中技术
B.能源优化技术
C.能源量化技术
D.能源转换技术
参考答案:D
“American Dreams in China,” a comedy based ___小题1:__the story of real-life company New Oriental Education Group, is now the weekly champion of China’s box office(票房)__小题2:(beat) Hollywood blockbusters(大片) “Iron Man 3” and “The Croods(疯狂原始人).”
小题1:
小题2:
The movie,小题3: cost $9 million to produce, has taken in(收入) over $34 million in ticket sales小题4:it was released on May 17,according to media research.
小题3:
小题4:
The main character in this movie is believed to resemble Yu Minhong,小题5: chief executive and co-founder of New Oriental. 小题6: Mr. Yu said on his Sina Weibo that he has no小题7:(invest) in the movie and he was against the idea in the first place.
小题5:
小题6:
小题7:
Heated discussion on the definition of real successes小题8:(arouse) after more and more audience came into the cinema for this movie. 小题9:some among the Chinese audience are cheering for the entrepreneurial spirit the movie conveys,others say skeptically that 小题10:equates(等同)success with wealth and fame.
小题8:
(arouse) after more and more audience came into the cinema for this movie.
小题9:
some among the Chinese audience are cheering for the entrepreneurial spirit the movie conveys,others say skeptically that
小题10:
equates(
等同
)success with wealth and fame.
去年冬至今年春天,西南地区遭遇大范围持续干旱。全国人民团结一致,共同抗旱。
(1)有些村民取浑浊的池塘水作生活用水。有同学利用所学的知识将浑浊的池塘水用图所示的简易净水器进行净化,其中小卵石、石英沙的作用是 。
(2)如果地下水硬度大,或者池塘水中病原微生物过多,作为生活用水可以采取 法,来降低水的硬度和杀灭病原微生物。从微观角度这样处理过的水中几乎不含 故不宜养鱼。
(3)采用 (填物质名称)可除去污水的臭味;
(4)天然水经过下列净化操作后,一定能得到软水的是( )。
A.沉淀 B.过滤 C.吸附 D.蒸馏
(5)在水蒸发的过程中,下列说法正确的是 。
A.水分子不断运动 B.水分子之间间隔不变
C.水分子分解成氢原子和氧原子 D.水分子可以保持水的物理性质