科目: 来源: 题型:
【题目】读一读,回答问题。
金鱼
冬天,在池塘里,金鱼照样悠闲地游来游去,难道它们不怕冷吗?
人身体的温度在正常情况下是不变的。可是,金鱼和人不一样,它的体温会随着气温变来变去。当水很温暖时,金鱼的身体也变得很温暖;水变冷时,金鱼的体温也跟着下降,所以,即使池塘里结了薄冰,金鱼也不会感到冷。
1.填空。
人身体的温度在正常情况下是( )的。
金鱼的体温会随着气温( )。
2.回答问题。
为什么池塘里结了薄冰,金鱼也不会感到冷?
______________________________________________________________
查看答案和解析>>
科目: 来源: 题型:
【题目】阅读课文节选,完成练习。
鱼的肚子里一般都有一个鳔。鳔有什么用处呢?原来,这个小小的鳔能够帮助鱼浮上来,也能够帮助鱼沉下去。鱼要浮上来的时候,鳔里慢慢地装满了气。鳔胀大了,鱼摆来摆去,就浮上来了。鱼要沉下去的时候,鳔里的气慢慢地放出来。鳔缩小了,鱼的身体略微变小,鱼摆来摆去,就沉下去了。
1.写出下列词语的反义词。
沉——( ) 慢慢——( ) 缩小——( )
2.“鳔”能够帮助鱼________,也能够帮助鱼________。当鱼要浮上来的时候,鳔里________。鱼要沉下去的时候,鳔里的气就________。
查看答案和解析>>
科目: 来源: 题型:
【题目】听一段对话, 判断下列五个句子的对错,对的打“√”,错的打“╳”(10分)
(1)Sam is eleven.
(2)Sam often goes to school by subway.
(3)Sam doesn’t like showing his stamps in the class.
(4)Sam is going to buy some stamps in the bookstore.
(5)Sam’s school is near his home.
查看答案和解析>>
科目: 来源: 题型:
【题目】阅读,判断下列句子与短文内容是否一致,对的 打“ √ ”,错的打 “ ×”。
Li Qing and Li Ping are twins.They’re thirteen.They live with their uncle and aunt in Guangzhou.Their uncle has a son.His name is Li Hai.Li Qing, Li Ping and Li Hai study at Yucai Primary School, but they’re not in the same class.
Li Hai’s parents are teachers.They teach Chinese at Yucai Primary School.They work hard.All their students like them.
The three children go to school together.They eat their lunch at the school canteen.After school, they often play ping-pong together.
(1)Li Qing and Li Ping are brothers.
(2)Li Qing and Li Ping are Li Hai’s cousins.
(3)Li Qing, Li Ping and Li Hai are classmates.
(4)Li Hai’s parents work at the same school.
(5)Li Hai, Li Qing and Li Ping have lunch at school.
查看答案和解析>>
科目: 来源: 题型:
【题目】写出所给的单词。
① well
e | w | i | l | l | w | e | l | l | v |
② goodbye
p | g | o | o | d | b | y | e | s | b |
③ today
d | o | y | t | a | t | o | d | a | y |
④ thank
t | h | a | n | k | n | i | g | h | t |
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com