
【名词&注释】
防晒霜、做一个(make one)、第一天(the first day)、徒步旅行(hiking)、无中生有、打气筒(hand air pump)、第二天(second day)
[单选题]用打气筒(hand air pump)将空气压入自行车胎内,主要是因为
A. 气体分子很小
B. 气体分子间距离较大
C. 气体分子可分
D. 气体分子在不断运动
查看答案&解析
点击获取本科目所有试题
举一反三:
[单选题]10. —My sister goes swimming every Sunday.—Oh? But she __________hate swimming.
A. used to
B. use to
C. uses to
D. is used to
[单选题]下列变化能证明分子可以再分的是【】
A. 水蒸发
B. 石蜡熔化
C. 干冰升华
D. 水通电分解
[单选题]20.A see
A. ask
B. find
C. tell
[单选题]27. Rowan Atkinson is an actor of ________.
A. Beijing Opera
B. comedies
C. action movies
D. thrillers
[单选题]24. Which of the following is TRUE?
A. All the cities are using hydrapulers.
B. All the rubbish is made up of the packages and cans.
C. In the course of recycling,water is needed in the hydrapuler.
D. The Americans only eat the food in packages and cans.
[单选题]市场上某一防晒霜宣称可以防晒。暑假期间,几个学生邀约徒步旅行,准备利用此机会做一个关于防晒霜的实验,看它是否有效。设计实验方案如下表:学生 实 验 方 案 甲 脸上涂上防晒霜,两手背上都不涂。一天后,比较脸与手背被灼伤的程度。 乙 第一天,两只手背都涂上防晒霜;第二天(second day)都不涂。比较第一天与第二天(second day)被灼伤的程度。 丙 一只手背上涂上防晒霜,另一只不涂。一天后,比较两只手背被灼伤的程度 丁 在另一同学戊的两只手背上都涂上防晒霜,自己不涂。一天后,比较自己与同学戊的手背被灼伤的程度。 你认为4人中谁的实验方案最好:
A. 甲
B. 乙
C. 丙
D. 丁
[单选题]22.
A. cost
B. celebrate
C. laugh
D. love
[单选题]10. We had fun ___________ our bicycles to the beach last Sunday.
A. to ride
B. riding
C. ride
D. to riding
[单选题]Iforgettobringapen.Wouldyoulendme____?
A. one
B. that
C. it
D. this
本文链接:https://www.zhukaozhuanjia.com/download/pr4ow7.html