In line 6 paragraph 2, what does "shore up" possibly mean？
A. strengthen
B. lighten
C. go to the upside of the shore
D. reduce
What is the best way to make the teens more pleasant？
A. To distinguish the responsibilities of the parents from those of the children.
B. To be more tolerant to them.
C. To establish the highest mark children can get.
D. To discuss with them the rules of behavior. they have to comply.
From the first paragraph we can infer that Mr. William Donaldson is ______.
A. inexperienced as a steward
B. capable, alert and reliable
C. not much better than Harry Pitt
D. following the steps of Harry Pitt
The 1982 treaty on Law of Sea will enter into force ______.
A. on April 30, 1982
B. in no time
C. after a certain number of countries have joined in it
D. when it has been accepted by most countries in the world
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