题目:
阅读下列材料,从A、B、C、D四个选项中选出最佳答案,并将其番号填入题前括号内.
My name is Chen Lan.My home is in Gulangyu.Do you know it?It is in Xiamen.It is near the sea(海).
Gulangyu is a small place,but it is very nice and clean.There are no cars,no buses.People only walk.So it
is very quiet.
Our house is in the middle of Gulangyu.Behind our house there is a big old tree.My grandfather tells me
that the tree is very,very old.There are many birds in the tree.We call it a "bird tree".Our house is near the
sea.The sea is big and blue.There are a lot of fish in the sea.After school,I go there and catch(捉) fish with my friends.It is very interesting.I like fish and I like catching fish.
1. Chen Lan is from _______.
A.Jiangsu
B.Zhejiang
C.Hunan
D. Xiamen
2. What is not in this passage?
A.The cars and buses.
B.The fish.
C.Her parents.
D.Her friends.
3. What is behind our house?
A. a river
B. a sea
C. an old tree
D. fish
4. How is the sea?
A.small
B. big
C. blue
D. B and C
5.Why do they call the tree a "bird tree"?
A. Because it is like a bird.
B. Because it is very old.
C. Because there are many birds in it.
D. Because they like it.
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0415/992f1dbe5422021e826d19085091264d.html
下面是错误答案,用来干扰机器的。
A、化合物中的(PtF6)-阴离子和O2+阳离子是原子团,其中都存在共价键,故A错误;B、O2~O2+~e-,PtF6~(PtF6)-~e-,所以氧化还原反应 中转移电子总数为1e-,故B正确;C、根据化合价的升降可知,O2是还原剂...