The second paragraph implies that testing for anabolic steroids
A. is always accurate and reliable.
B. is proved to be inaccurate.
C. may sometimes show inaccuracy.
D. has helped end doping in sport.
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What made this eclipse so unique？
A. Its location for viewing in the world.
B. Its timing on the calendar.
C. Its movement across the sky.
D. Its beautiful scen
【B14】
A. continuous
B. constant
C. consistent
D. continual
The assembly line reduced the time to make a magneto by ______ within a year.
A. 20%
B. 0.38
C. 0.65
D. 0.75
【B2】
A. circle
B. round
C. cycle
D. rotation
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