Simon is willing to help others _________ with their English.A．for needB．in needC．of needD．on need
某校化学兴趣小组在实验室中发现一瓶溶液，标签上标有“CaCl2，0.1 mol·L－1”的字样，下面是该小组成员对该溶液的叙述，正确的是( ) A．配制1 L该溶
下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。 增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。 删除
下列史实中不属于唐太宗在位时发生的是 A．任用姚崇、宋璟等为相 B．重视文化教育，设州县学校 C．善于用人，重视纳
Some people would rather ride bikes as bike riding has _____ of the trouble of taking buses. A．nothing B．none C．some D．neither
---Do you know if he _____to play with us? ---I think he will come if he ______free tomorrow. A．come , is B．comes, will be C．will come, is D．will com
下列语句中，加点的词语使用不恰当的一项是( ) A. 他游侠般出现在文坛上，又像流星般在最光亮的时候消失在天际，生前是墙内开花墙外香，死后是声
He was working quietly, with all his attention _______ on the task. A. was fastened B. fastening C. to fasten
