A: continuous
B: permanent
C: instant
D: constant
举一反三
- U4T106. liquefied natural gas from other parts of the world will be ______ up to supply Europe.
- 中国大学MOOC: People in some parts of the world often take their water for ____ . They use as much water as they wish.
- Mini-talk Two 13() A: It can find small changes below ground before the earthquake. B: The devices are placed much deeper below ground. C: The new electrical devices are highly sensitive. D: It can help find the earthquake-prone area.
- Many people ______________ their seemingly endless supply of safe, clean water for daily needs.
- Water treatment process for unpolluted surface water contains: influent, coagulation, ______ , ______ , disinfection, water supply network. (only one word for each blank)
内容
- 0
A nation whose imports constitute a very small portion of the world market supply is a price taker, facing a constant world price for its import commodity. （ ）
- 1
As specialists (experts. predict, in the near future, water will become a restriction (conditioned. factor for social economic development in many parts of China. Water degradation (Intensified wate rpollution. and increasing demand for water supply will, without mercy, result in the approaching of water shortage disaster. Thus, fighting against pollution and protecting water sources have become the common responsibilities of mankind as a whole.
- 2
Many people don't realize that Lake Superior, _____, is in both the United States and Canada. A: which it is the largest fresh water lake in the world B: in the world of which it is the largest fresh water lake C: of which the largest fresh water lake is in the world D: which is the largest fresh water lake in the world
- 3
Because of the heavy rains many parts of the countryside are only ____ by boat. (access)
- 4
Many of those children lived in a world where there was a constant battle __________ on. A: went B: going C: go D: gone