創建自己的小題庫
搜索
【單選題】
火箭使用偏二甲肼作燃料，四氧化二氮為氧化劑。引燃后產生的高溫氣體主要是CO2、H2 O、NO、N2，但在衛星發射現場卻看到火箭尾部噴出大量紅煙，產生紅煙的原因是
A.
高溫下N2遇空氣生成NO2
B.
NO遇空氣生成NO2
C.
CO2和NO反應生成NO2和CO
D.
H2O和NO反應生成H2和NO2
手機使用
分享
復制鏈接
新浪微博
分享QQ
微信掃一掃微信內點擊右上角“…”即可分享
反饋
收藏
舉報參考答案：
舉一反三
【單選題】The purpose of this article is to _____.
A.
help overweight people find useful information
B.
introduce some effective weight loss products
C.
tell overweight people how to have a healthy diet
D.
introduce books about losing weight
【單選題】What is the task of the astronauts?
A.
Testing equipment
B.
landing on the moon
C.
observing the earth
【單選題】How long will the astronauts stay in the spaceship?
A.
6 months
B.
over 12 months
C.
about 18 months
【單選題】To find out how much body fat you have, you need to use _____.
A.
a body fat calculator
B.
discussion forums
C.
calorie database
D.
a former archive of weight loss messages
【單選題】The passage is most likely to be taken from______.
A.
a magazine
B.
the Internet
C.
a newspaper
D.
a book
相關題目：
【單選題】The purpose of this article is to _____.
A.
help overweight people find useful information
B.
introduce some effective weight loss products
C.
tell overweight people how to have a healthy diet
D.
introduce books about losing weight
【單選題】What is the task of the astronauts?
A.
Testing equipment
B.
landing on the moon
C.
observing the earth
【單選題】How long will the astronauts stay in the spaceship?
A.
6 months
B.
over 12 months
C.
about 18 months
【單選題】To find out how much body fat you have, you need to use _____.
A.
a body fat calculator
B.
discussion forums
C.
calorie database
D.
a former archive of weight loss messages
【單選題】The passage is most likely to be taken from______.
A.
a magazine
B.
the Internet
C.
a newspaper
D.
a book
參考解析：
AI解析
重新生成
題目糾錯 0
發布
