【单选题】哪个民族以棉花种植、瓜果生产而著名全国?( )
【单选题】—Please turn off the light. —OK, Mom. I won't leave the room ______ the light _____. [ ]
【简答题】说明巴比妥类药物在不同的 pH 条件下产生不同的紫外吸收光谱的原因。
【单选题】已知某沥青混合料的沥青用量为5.0%,则油石比为?
【单选题】When a chlorophyll molecule absorbs light, ( )
A.
all wavelengths are equally absorbed
B.
green light is maximally absorbed
C.
green light is not absorbed
D.
red light is reflected
E.
blue light is reflected
【单选题】听力原文:M: I cannot find the reference book the teacher asked us to read. W: Why do you look for it on the shelves? Why don't you use the searching system in the computer downstairs? Q: What does the wom...
A.
He should try a better and convenient way.
B.
He should give up looking for the book.
C.
He should ask the librarian for help.
D.
He should try the shelves downstairs.
【简答题】写作技巧 —— 词 / 句层面 消息源是如何写的?二手消息源是如何写的? 直接引语有几种写法,标点符号与中文有什么不同之处? 记者应在稿件中尽可能降低受众的对新闻事件方方面面的理解难度。这篇稿件中,记者是如何向受众介绍新闻人物、机构、货币金额等细节信息?新闻人物、涉事机构或组织第一次出现的时候是如何写的?二次出现呢? 请划分标题的成分,即,主谓宾定状补。 稿件是否使用超链接或其他新媒体功能来提升传...
【简答题】When did the corpuscular theory of light prevail?
【判断题】从政治、军事、经济这些指标综合来看,中国已经是一个全方位大国。