单项选择题
People can help solve the problem of pollution by （）
A．urging their governments to control litter and waste
B．cutting down the use of oil and other oil products
C．reducing unnecessary buying, over-consumption and careless disposal of wastes
D．Making anti-pollution advertisements
相关考题
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单项选择题
Many people see pollution as only part of （）
A．the environmental balance
B．our daily life
C．the consumption of goods by man
D．the whole process of industrial production and consumption of goods -
单项选择题
What happened when the man let go the rope（）
A．The box fell down and hit the man on the head.
B．The box continued to go up.
C．The man went up to the top of the building.
D．The man fell down and broke his legs. -
单项选择题
Why did the man fasten the end of the rope before he climbed up the ladder（）
A．He was afraid that someone would steal his box.
B．Because he wanted to climb up along the rope.
C．He fastened the end of the rope in order to keep the box unmoved.
D．Because he wanted to prevent the box from coming down.
