问题 选择题

下列关于实验操作能实现目的的是(  )

答案

答案:D

题目分析:酒精和水互溶,不能分液,A不正确;氯化铵分解生成氨气和氯化氢,冷却后又生成氯化铵,B不正确。氯化氢能和氢氧化钠溶液分液,C不正确,应该用饱和的氯化钠溶液。NO不溶于水,可以用排水法收集,答案选D。

点评:该题是基础性试题的考查,试题基础性强,侧重对学生实验能力的考查。该题该类试题主要是以常见仪器的选用、实验基本操作为中心,通过是什么、为什么和怎样做重点考查实验基本操作的规范性和准确性及灵活运用知识解决实际问题的能力。

阅读理解

HIGHFIELD COMPREHENSIVE SCHOOL
SCHOOL REPORT
Form Teacher: G. Baker            Pupil’s Name:  Simon Watkins
Term:        Summer 2012   Form:        Ⅳ B
Subject
Exam
Class work
Comments
English
59
61
Simon has reached a satisfactory standard but now needs to apply himself with more determination.
Mathematics
77
85
Sound work and progress throughout the year. Well done!
History
46
53
A disappointing exam result. He is unable to give attention to this subject for long.
Chemistry
78
85
His obvious ability in the subject was not fully reflected in his exam work, but I have high hopes for him nevertheless.
Physics
86
94
An excellent term’s performance. He goes from strength to strength. A born scientist, I feel.
Biology
57
60
This time next year he will be taking the “0” exam. He needs to concentrate on the work, not on class conversation.
French
41
46
Clearly he didn’t bother to revise. His general attitude is far too casual.
Physical
Education
/
31
Weak. It’s time he exercised his body more and his voice less. He should try to work with a team.
FORM TEACHER’S REMARKS                     HEADMASTER
Basically satisfactory work and progress              I shall be keeping an eye on though he will now have realized, I hope, that         his progress in his weaker    in certain subject areas he needs to make               subjects though his
speedy progress.                           success in the sciences is improvement.
小题1:According to the comments of the Physical Education teacher, Simon_______.
A.is too talkative in the class
B.likes to work with his classmates
C.doesn’t exercise his body at the right time
D.becomes weak because he doesn’t exercise at all
小题2:Which of Simon’s subjects will attract the headmaster’s attention in future?
A.Biology and Maths. B.History and French.
C.English and Chemistry.D.Physics and Physical Education.
小题3:Which of the following statements best describes Simon?
A.He has made great progress in language classes.
B.His potential has been fully reflected in science classes.
C.His grade in maths makes him a born scientist.
D.He needs to improve his attitude on certain subjects.
小题4: Based on the school report, which of the following statements is true?
A.Simon didn’t bother his teacher to revise French.
B.Basically, Simon did a good job in science.
C.Simon is a determined learner in English.
D.Simon is able to pay attention to history for long.
问答题 简答题