[单选题]What was one problem of nitroglycerine?A.Office buildings could not be buil
[单选题]When designing speaking tasks, we must follow the principles except________
[单选题]A.1~3B.3C.4.0~4.5D.6.5~7.0
[单选题]下列反应中氯元素既表现氧化性又表现还原性的是()。A.B.C.D.
[单选题]38.4g铜与适量的浓硝酸发生氧化还原反应.铜全部反应后,在标准状况下收集到22.4L气体.则消耗硝酸的物质的量是()。A.1.0molB.1.6mo
[问答题]根据题目要求完成下列任务。用中文作答。 王老师是七年级的英语老师,在一次英语课上,他首先讲解了like与dislike的区别,然后要求学生做一项配对活
[单选题]Whichofthefollowingistrue?A.Enwave'ssystemissaidtoworkonlyincitieslocatedne
[单选题]A__________isanymorphemeorcombinationofmorphemestowhichaninflectionalaffixc
[单选题]Which of the following activities may be more appropriate to help students
[单选题]For a teacher who teaches young learners English pronunciation,which princi
[单选题]The dilemma for modem people is that they hate cell phones whereas they can
[单选题]一Did the audience participate in the play?一Yes,those actors_________to invo
[单选题]One question that all approaches of language teaching should answer is“____
[单选题]AChinesestudentmakesasentenceasfollows\"Heisarichmanwholiketraveling\".Thee
[单选题]Even when __________ to such tough living conditions, the children would ne
[单选题]化学教师在开展下学期的化学教学前。采用摸底考试了解学生对上学期所学知识的掌握情况。这种评价方式属于()。A.形成性评价B.相对性评价C.总结性评价D.
[单选题]在标准状况下,石墨燃烧反应的焓变为-393.7kJ/mol,金刚石燃烧反应的焓变为-395.6kJ/mol。则石墨转变为金刚石的反应焓变为()。A.-
[单选题]请阅读Passage 2,完成下题。 Passage 2 One evening, while Marcos Ugarte was doing his
[单选题]What did Fenn enjoy most from treasure hunters according to the passage?A.T
[单选题]Drafting,editing and revising are the major activities of the_______process
[问答题]案例:下面是某化学教师关于“分子”的教学片段环节一:情境创设,引入新课。利用走到花圃会闻到花香,湿的衣服经过晾晒会变干等情境激发学生思考:你能解释这些
[单选题]Which of the following shows the proper pronunciation of the segment“edge t
[单选题]What conclusion can be drawn from this passage?A.The more a person cheats,
[单选题]下列根据实验操作和现象所得出的结论正确的是()。A.B.C.D.
[问答题]JEFC Book 3 Lesson 68 Who is the robber?曾经听过两节课,期间两位老师都谈到一个话题“Robber”。请分析你对
[单选题]Which of the following influences the writer′s judgment of the universities
[单选题]图A.正反应速率加大,逆反应速率变小,平衡向正反应方向移动B.正反应速率变小,逆反应速率加大,平衡向逆反应方向移动C.正反应速率和逆反应速率都变小,平
[单选题]下列实验操作正确的是()。A.用玻璃棒蘸取CH3COOH溶液点在用水湿润的pH试纸上,测定该溶液的pHB.中和滴定时.滴定管用所盛装的反应液润洗2~3
[单选题]The drill in the language classroom derives directly from_______.A.the beha
[单选题]Which of the following is an entailment of the utterance \"Annie broke the