选词填空。 关切 亲切 刘老师年纪不大，个子不高，什么时候见到我们，总会（ ） 发布时间：2017-04-28 17:34 │ 来源：www.tikuol.com 题型：填空题 问题： 选词填空。 关切 亲切 刘老师年纪不大，个子不高，什么时候见到我们，总会（ ）地跟我们打招呼。有一次，我肚子痛，刘老师见到了，马上（ ）地问：“你怎么啦，不舒服吗？”
题型：填空题 完形填空。 Students learn their lessons in class. They sit in the classroom ___1___ their teachers. This is a way of learning. Is this the only way for students to learn? Of course not. There is ___2___ way to learn. That is, students can teach ___3___. For example, ___4___ you cannot remember something when you are doing your homework, what will you do? You can look at your book to ___5___ the answer.How to teach yourself? The first thing you must do is reading. Read something you are ____6___. The second is that you must ask yourself questions. A clever student is usually ___7___ at asking questions. The third is to answer the questions yourself by___8___hard, by reading books,and sometimes by asking other people. These are the ways of teaching yourself. If you ___9___doing like these for a long time, you are sure to have great ___10___ in your study.( )1. A. watching ( )2. A. another ( )3. A. ourselves ( )4. A. if ( )5. A. ask ( )6. A. tired of ( )7. A. well ( )8. A. writing ( )9. A. keep ( )10. A. informationB. talking to B. other B. yourselves B. as B. get B. interested in B. weak B. speaking B. begin B. questions C. listening to C. the one C. itself C. unless C. use C. bored with C. bad C. thinking C. stop C. success D. looking after D. no D. themselves D. because D. say D. puzzled at D. good D. listening D. enjoy D. inventions 查看答案
题型：填空题 (1)某烷烃的相对分子质量为128，其化学式为____________。请根据下面给出的有关信息分析该烷烃的分子结构：若该烷烃不能由任何一种烯烃与H2发生加成反应而得到，则该烷烃的结构简式为____________。 (2)CH3C(CH3)2CH2C(CH3)3系统命名____________该烃一氯取代物有______种。 (3)支链只有一个乙基且相对分子质量最小的烷烃的结构简式____________。 查看答案