作者:opple 时间:2023-01-03 阅读:()
材料二:我国水资源从时间分配上来看,夏季降水集中,汛期河水暴涨;冬春季节则降水少,
河流进入枯水期。兴建水库,可以有效调控水流和水量的季节变化。
材料三:南方、北方地区水土资源分布图
(1)从材料二可知,我国水资源季节分配的特点是。我国已兴建了大量水库,用于调控水量,提高防洪、抗旱能力,其中位于长江流域最大的水电站是。
(2)从材料三可知,我国南北方水土资源匹配(合理、不合理),为缓解北方地区水资源短缺问题,我国正在兴建工程。
(3)在日常生产、生活中,有哪些节水措施?(写出两条)
篇9:八年级上册生物期末试卷
关于八年级上册生物期末试卷
(8分)伸肘动作的产生模式图,从图中可以看出:
(1)、一块骨骼肌由两部分组成:,。
(2)、图中显示的骨与骨之间的连接都是关节。主要由关节头、、关节软骨、关节腔和关节囊组成。
(3)、伸肘时肱二头肌肱二头处于状态,[3]处于状态。可见一个动作,不是由一块骨骼肌独立完成的。
(4)、运动不仅靠运动系统来完成,还需要其他系统如__________系统的调节。运动还要消耗__________。
27、(12分)暑假的'一个星期一,小明买了爸爸和妈妈喜欢吃的桃子、梨等水果,并洗好装在干净的塑料袋里,放在厨柜里,准备周末和爸爸、妈妈一起去海边玩的时候吃,没想到周末拿出来一看,好多水果都烂了,还散发出一股酒味。请分析回答:
(1)、请你运用所学的生物学知识帮助小明分析一下造成水果腐烂的原因是什么?
______________________________________________________________________________________________________________________.
篇10:八年级上册英语期末试卷
试题预览
八年级上册英语期末试卷
(考试时间:90分钟,满分:100分)
Class _________ Name _______________
一. 英汉互译.(10分)
1. 为我们加油____________ 2. take the place of ____________
3. 名胜__________________ 4.in the countryside ____________
5. 休息__________________ 6.as we know ____________
7. 头痛__________________ 8.make a face ____________
9. 听音乐________________ 10.play the piano ____________
二. 单项选择题.(15分)
11.His mother prefers ______ to watching TV.
A.read B.reading C.to read
12.Michael took medicine ______ a day.
A.two time B.twice C.two times
13.I think you eat ______ meat.
A.much too B.too many C.too much
14.I ______ go to bed ______ I finished my homework last night.
A.don’t , when B.didn’t , until C.didn’t , when
15.They went to Shanghai last night, ______ they ?
A.did B.didn’t C.don’t
16.This book is ______ than that one.
A.important B.more important C.the most important
17.He has two pens. One is long, ______ is short.
A.one B.the other C.other
18.The book is very ______.We are all ______ in it.
A.interesting, interesting B.interested, interested
C.interesting, interested
19.Mary was dancing while Mike ______ the piano.
A.played B.was playing C.were playing
20.We’re going to have a lot of fun ______ and eat a new kind of fruit.
A.hike B.hiking C.to hike
21.I have a ______ sister.
A.two-year-old B.two years old C.two-years-old
22.This is Nick speaking. ______?
A.Who is that B.Who are you C.Who is this
23.What should we do ______ SARS?
A.to stop B.stop C.stopping
24.--Must I clean the classroom? --______
A.No, you needn’t B.No,you mustn’t C.No, you can’t
25.-- ______? --I have the flu,doctor.
A.What’s the wrong B.What’s wrong C.What’s matter
三. 完形填空.(10分)
Sports and games are good 26.___ our health. They can 27. ___ us strong, stop us from getting 28. ___ fat and keep 29. ___ and happy.Especially, they can help the people who work with their brains(大脑) 30. ___ of the day to study better, for sports and games make people 31. ___ their body.
They make our life richer and more colorful. If we 32. ___ not have a strong body, we can 33___ do thing well. So persons of all ages enjoy 34___ and taking part in 35___ kinds of sports-track and field(田径), swimming, skate boarding and ball games.
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