单项选择题
What is the main topic of this speech
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A.The growing crisis of inadequate retirement pensions for the future.
B.The problem of providing adequate medical care for the elderly.
C.The need to reevaluate our attitudes towards senior citizens.
D.The need to reform the present pension system.
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单项选择题
One of the hobbies we know the cavemen had was______.
A.hunting
B.fighting
C.drawing
D.riding
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单项选择题
Lilly has to get up early and arrive in good time because______.
A.she has to study all the poses
B.it takes time for her to get prepared
C.the photographers insist on punctuality
D.no one can do anything until she arrives
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