搜题请搜索小程序“爱下问搜题”
问题 单项选择题

设某一年度固定资产价值为2000亿元，上一年度固定资产价值为1000亿元；同期新增国内生产总值5000亿元，投资完成总额为2500亿元，则当年固定资产交付使用率为（）。

A.20%

B.40%

C.50%

D.80%

答案

参考答案：B

填空题

单词拼写。

根据句子所给汉语注释,写出各单词的正确形式（每空只写一词）。

1. The competition for this special kind of job is _______(激烈的).

2. He lit a _______(香烟) in order to calm his mind.

3. His parents _______(雇佣) a tutor to teach him Greek last year.

4. The post arrives _______(有规律地) at eight every morning.

5. He dived from the bridge and rescued the _______(溺水的) child.

6. The traveler wrapped himself with a _______(毛毯).

7. Some people think that a _______(有意义的) life is enjoying every moment.

8. His father was _______(欺骗) of his large amount of money.

9. Several cars are _______(可利用的) within this price range.

10. I grant that your _______(解释) is reasonable.

查看答案
单项选择题

用秋水仙素处理二倍体西瓜幼苗获得四倍体植株｡则（）

A.四倍体西瓜植株与二倍体西瓜植株属于同一物种

B.四倍体植株与二倍体植株不存在生殖隔离

C.四倍体西瓜植株的单倍体植株体细胞含有两个染色体组

D.四倍体西瓜植株联会紊乱产生无子果实
查看答案