A resources on land are running short in ten years
B man can use it to explore the deeper sea
C it is a lot of fun diving into the sea
D ancient people used it to explore the sea
A To illustrate that man can make use of sources of energy from the sea.
B To show that a steamship is better than other kinds of ships.
C To argue that man should use steamships.
D To indicate that it is warmer in the ocean than on land.
A Needs of Man.
B Sea Harvest and Food
C Sea and Sources of Energy
D Sea Exploring Technology.
A.How are you?
B.Nice to meet you.
C.You are welcome to our plane.
D.Welcome aboard.
A.Speaking please.I can pay for your phone.
B.What? You want to borrow some money to buy a phone?
C.No change at all.Are you calling from a pay phone?
D.Pay phone? Why not use my mobile phone?
A.bills B.expenses
C.prices D.charges
A) popularity
B) density
C) intensity
D) prosperity
A) circle
B) rank
C) category
D) grade
A) maintain
B) sustain
C) endure
D) afford
A. available
B. desirable
C. enormous
D. numerous
A)excess
B)exceed
C)checked
D)chased
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