20xx年沪教版四年级英语下册期末试卷内容摘要:
o, it‟s ______. III. Read and fill in the blanks (用所给单词的形式填空 ):8% are two _______(glass) of juice on the table. Chens often _______(walk) in the garden in their spare time. They like _______(walk) there. X K b1 .C om it‟s six o‟clock. Let Tom ______(get) up at once. you _______(wake) me up tomorrow morning, Mum? always _______(chat) with his parents at home, but now he ________(chat) with his friends on the Inter. _______(this) grapes in the basket, Little Lucy. IV. Read and choose (选择最佳答案,将字母代号写在括号内 ):10% ( ) 1. The moon _______ in the morning. A. goes off B. goes down C. rises ( ) 2. _____ the plum. It‟s crunchy. A. Smell B. Touch C. Taste ( ) 3. Miss Fang is super. She can play _____ piano very well, and she can play ______ basketball well too. A. the ...the B./...the C. the.../ ( ) 4. How _____ the keys feel? Are they hard? A. does B. do C. are ( ) 5. The old man is blind. He can‟t ______. A. see B. hear C. smell ( ) 6. Are the flowers red ______yellow? Yes, they are beautiful. A. and B. or C./ ( ) 7. They don‟t go to the park ______ Monday. They go there ______ weekends. A. in...at B. on...on C. on...at ( ) 8. Some children often ______ cold ______. A. drinks...drinks B. drink...drinks C. drink...drink ( ) 9. _________! The bus is ing. A. Don‟t stop B. Be careful C. Be kind ( ) 10. I never ______ before bedtime. A good boy! A. have a bath B. read a book C. have sweets V. Rewrite the sentences (按要求改写句子 ):6% 1. Mark wants to be a vet in the future.(否定句 ) ___________________________________________________________ 2. That is Betty‟s new windbell.。20xx年沪教版四年级英语下册期末试卷
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﹣ msin cos , ⇔sin cos( ) =cos sin( )﹣ msin cos , ⇔sin2 =cos2 ﹣ sin , ⇔ , ∴ m= 故选: A. 10.已知 f( x) = 在区间( 0, 4)内任取一个为 x,则不等式 log2x﹣( log 4x﹣ 1) f( log3x+1) ≤ 的概率为( ) A. B. C. D. 【考点】 几何概型. 【分析】 先求出不等式
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严寒等. ( 2)人类活动:人类的活动往往会使群落的演替按照不同于自然演替的速度和方向进行. ① 利于群落演替的人类活动:退耕还林、还草、还湖、封山育林等. ② 不利于群落正常演替的活动:滥砍滥伐、滥捕滥猎、填湖造地等. 二、生态系统的信息传递的应用:( 1)提高农产品和畜产品产量.( 2)对有害动物进行控制. 【解答】 解: A、群落 演替的根本原因在于群落内部,但也受外部环境的影响,A 错误
度之比. 【解答】 解:当水平力作用在 A 上,使 A 刚好要相对 B 滑动,临界情况是 A、B 的加速度相等,隔离对 B 分析, B 的加速度为: = , 当水平力作用在 B 上,使 B 刚好要相对 A 滑动,此时 A、 B 间的摩擦力刚好达到最大, A、 B 的加速度相等,有: , 可得: a1: a2=1: 3. 故选: C. 5.在真空中 A、 B 两点分别放有异种点电荷 +Q 和﹣
圈出括号里正确的字。 3% 写出下列词语在文中的反义词: 4% 爱护( ) 下降( ) 膘肥体壮( )精神饱满( ) 根据文章内容在括号里写上合适的词。 4% ( )的心情 ( )的河流 ( )的遭遇 反复( ) 缩句。 2% ( 1)我从图书架上取下《人与自然》这本书。 作者读到“书中从好些方面揭露出人类对大自然的破坏。 ”“好些方面 ”文中指:一、 、 二、 耕地面积在减少 、三、 四、