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52 A employees B labourors C consumers D employers

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43 The leading spot and the following spot are the names of
A two large sunspots．
B a large spot and a small spot．
C the two spots in a spot pair．
D the central core and the ring around it．

A.discussions B.debates C.consultations D.lessons

18 Verbal memory helps us read words we have never heard．
A Right B Wrong C Not mentioned

22 Actions will soon be taken in America to better help people with sleep problems：
A Right B Wrong C Not mentioned