《水质1，2-二氯苯、1，4-二氯苯、1，2，4-三氯苯的测定气相色谱_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

《水质1，2-二氯苯、1，4-二氯苯、1，2，4-三氯苯的测定气相色谱法》（GB／T17131-1997）规定用（）检测器测定。

A．氢火焰

B．电子捕获

C．火焰光度计

答案

参考答案：B

完形填空

配对阅读。下面左栏是5个不同人物的出游信息，右栏是7则旅游广告，请为他们选择
最佳的旅游去处。

小题1:Sam would like
to climb one of the most beatutiful mountains in China one day. He wants to see the beautiful sights And enjoy the fresh air.
小题2: Maggie likes Traveling around. She’d like to see some falls and take some photos of the beautiful sights.
小题3:Liu Hao lives in the north. He’d like to travel to somewhere warm and he can sail a lot there.
小题4:Lucy has been working very hard for a Long time. She’d just like to relax on a beach in the Coming vacation.
小题5:The Smiths plan to make a trip this summer to somewhere in China. It must be a place where they can see ice and snow and Something special.

A．Welcome to Paris
Paris is the capital of France and one of the liveliest cityes in Europe.
It has some fantastic sights: Eiffel Tower, Notre Dame, one of the most famous churches in the world.

B．Himalayas Climbing
The Himalayas is the hightest mountain in the world. You might come to the Himalayas to see and cimb up he mountains, and once you’re there, you’ll dicover more.

C．Niagara Falls Tour
Do you want to see falls? Then Niagara Falls is the place to be! Book now! We have special tours at a low price.

D．Travel to Huangshan Mountain

Huangshan Mountain is the most famous mountain in China. The air is fresh and clean. It’s famous for pine-trees, clouds, stones and spring.
E. Yu Long Mountain
The mountain is covered with snow all the year around and it is said that the ice and snow can be thousands of years old. You can also visit Lijiang Old Town.
F. Florida Beach
Travel to Florida and experience the beaches of South Walton! Each Florida beach has its special feel. Walking on the sand, looking at the clear blue water, you can’t find a better palce to relax.
G. Hawaii Sailing
2,100 miles Southwest of California lies Hawaii. Around it is the ocean.
The summers are warm but not hot. The winters are warm, too. If you Like sailing, Hawaii is the place to be! You can sail quite a lot everyday

单项选择题

以下选项中不能正确把c1定义成结构体变量的是

A．typedef struct
int red:
int green:
int blue;
COLOR;
COLOR c1;

B．struct color c1
int red
int green:
int blue;
;

C．struct color
int red ,
int green :
int blue :
)cl;

D．struct
int red;
int green;
int blue
c1 ;