搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1/A2型题

水质检验项目中的化学指标共有20项。下列指标中，不属于化学指标的是（）。

A.化学耗氧量

B.阴离子洗涤剂

C.氯化物

D.铬（六价）

E.浑浊度

答案

参考答案：E

解析：浑浊度属于一般检验项目，或物理和感官性状指标。

单项选择题

When you think of the Internet, you probably think of ".com." Just what do those three letters at the end of a World Wide Web address mean Every computer that hosts data on the Internet has a (71) numerical address. For example, the numerical address for the White House is 198.137.240.100. But since (72) people want to remember long strings of numbers, the (73) was developed. It is a critical part of the Internet’s technical infrastructure, correlates a numerical address to a word. To (74) the White House website, you could type its numerical address into the address box of your web browser. But most people prefer to use "www.whitehouse.gov." In this case，the domain name is (75) .

（75）处填（）。

A．www.

B．www.whitehouse

C．www.whitehouse.gov

D．whitehouse.gov
查看答案
单项选择题

治疗风邪侵袭所致瘾疹，应加用( )

A．足三里、三阴交
B．足三里、天枢
C．曲池、膈俞
D．阴陵泉、合谷
E．外关、风池

查看答案