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用方框中所给单词的适当形式填空。每词仅用一次，每空一词。 reason；little；dishonest；repair；true 【1】Please tell me the ______, or I can't decide how to help you next step. 【2】Which one do you like ______ among these stamps? 【3】I ______ my bike and gave

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用方框中所给短语的适当形式填空 try out；be angry with；at least； by mistake；come round 【1】David promised to _________ to have supper with us today. 【2】Last night I took Ben's English book home _________. 【3】Who else wants to ___________

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根据句意及汉语提示完成单词 【1】The ______(理由)Tony said just now is true. 【2】Can you ________(提供)a cup of tea to me? 【3】Some _______(文件)in my computer were missing.I couldn't find them anywhere. 【4】Who has ________(修理)the broken leg of

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$NH_{4}Cl$和$NaCl$的溶解度曲线如图所示.下列说法正确的是（ ）

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请从下列物质中,选择适当的物质填空（填序号): ①金刚石②焦炭③干冰④石灰水⑤氦气⑥碳酸氢钠 $(1)$可用来裁切玻璃的是______. $(2)$可用于人工降雨的是______. $(3)$可用于制造电光源的是______. $(4)$可用焙制糕点的是______.

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If you make some bad friends，maybe you ______．

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语法填空 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入一个适当的词或使用括号中词语的正确形式填空。 Our school has made 【 1 】 survey—Don't keep your worries.Here are the results. About fifty percent of the students in our school are 【 2 】 (worry)about their h

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阅读理解 One of the most popular items(项目)in the class newspaper is the advice column(专栏)．Here are some of them and their answers： Question 1: I'm always late for school.I try not to be late，but I can't help it.Please advise

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完形填空 One's attitude is always important.If you are lazy and weak，you will never taste any success.But if you are _____，success and happiness will be more likely to come to you. I love eating kiwifruits(猕猴桃)．But you can't

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用括号中所给单词的适当形式填空 【1】If the weather permits，we __________(plant)trees tomorrow. 【2】When we are tired，we should stop _________(have)a rest. 【3】My mother always wants me _________(do)my schoolwork before supper. 【4】My big br

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根据句意及汉语提示完成单词 【1】I want to be a _______(志愿者)to help homeless people. 【2】Because the students will have an ________(考试)tomorrow，they are studying hard. 【3】—Can you play any musical _________ (乐器)? —Yes，I can. 【4】It's ____

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下列物质中氧元素的质量分数最大的是（ ）

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阅读材料,完成$13\sim 14$题 核酸采样管中的红色液体叫病毒核酸保存液.胍盐是其重要成分之一,它可以破坏病毒表面蛋白外壳,从而暴露待测的核酸.常见的胍盐有异硫氰酸胍$(C_{2}H_{6}N_{4}S)$或盐酸胍$(CH_{6}ClN_{3})$.保存液因添加了一种叫酚红的试剂而呈红色.中性环境下它是红色的,碱性会变成紫色,酸性则是黄色. 下列有关病毒核酸保存液的说法正确的是（ ）

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木炭、一氧化碳在一定条件下都能与\(\rm{CuO}\)反应，下列叙述不正确的是\(\rm{(}\) \(\rm{)}\)

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春季是流感的高发季节，消毒是预防流感的重要措施之一。医用双氧水是\(\rm{3\%}\)的过氧化氢溶液，常用于日常消毒。 \(\rm{(1)}\)过氧化氢中氧元素的化合价是______________。 \(\rm{(2)}\)某学校要用\(\rm{4500g}\)医用双氧水消毒，需要用___________\(\rm{g}\)溶质质量分数为\(\rm{30\%}\)的过氧化氢溶液来配制。

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Ⅱ．用所给单词的适当形式填空 【1】Today lots of man­made satellites ______（send） up into space． 【2】Tan Qianqiu's name ______（remember） by all Chinese people． 【3】Vegetables，eggs and fruit ______（sell） in this shop． 【4】The flowers ______（

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Lu Xun is known _____not only a great writer but also a great thinker.

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Usually students ______ two minutes to write down their names before an exam．

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The foreigners enjoyed themselves in Jiuzhaigou and they were all ______ with the trip．

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2020年9月25日至26日,2020江西智库峰会暨国家级大院大所产业技术进江西活动举行,来自9个国家级大院、40个国家级大所的专家学者齐聚一堂,围绕"‘十四五’科技创新与中部崛起"主题碰撞智慧火花.我省这一活动（ ） ①说明我省努力建设创新型省市 ②体现了创新是社会进步的基石 ③表明我省的科技总体水平较高 ④有利于提高我省自主创新能力

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