皮皮学，免费搜题
登录
搜题
【简答题】
n.[U]垃圾,废物
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文：A heater is using convection when it warms the air in a room. And the air in turn warms the people and objects in the room. A hot water radiator, a stove and forced air furnace are all convection...
A.
It heats only the objects in a room.
B.
It is lighter in weight.
C.
It heats the room quicker.
D.
It is more common.
【简答题】Let me_____________(引导)you to your boarding gate.
【单选题】For the proper control of the air temperature in an air conditioning system using chilled water circulation, which of the listed conditions should remain constant regardless of load changes? .
A.
Chilled water system supply temperature
B.
Chilled water system return temperature
C.
Compressor discharge temperature
D.
Compressor suction pressure
【单选题】Which of the following is true about using air carriers as a transportation mode when shipping products?
A.
Air carriers are the most cost-effective way to ship non-perishable goods over short distances.
B.
Air carriers are the slowest and least reliable modes of transport.
C.
Air carriers provide in-transit services such as the processing of goods en route.
D.
Air carriers are ideal when time is short and speed is needed.
【单选题】Many restaurants have stopped using trans fats because they may______.
A.
pollute hydrogenated oils
B.
cause the food decay quickly
C.
raise the risk of heart attack
D.
spoil the taste of food
【简答题】A) When the warmer air meets with the cooler air. B) When the wind moves faster than 30 meters a second. C) When the seawater evaporates into the air. D) When the air gets wanner and warmer.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
