Kelly is putting the final ______ to her speech.
A. notes
B. remarks
C. comments
D. touches
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My sister is always building castles in the air. The underlined part means ______.
A. daydreaming
B. using imagination
C. creating a work of art
D. bragging about herself
M0lish反应的试剂组成是
A. 苯酚硫酸
B. 萘-硫酸
C. α-萘酚-浓硫酸
D. 酚-硫酸
E. β-萘酚-硫酸
People who don"t regularly drink caffeine tend to be more ______ to its negative effects.
A. sensible
B. sensational
C. sentimental
D. sensitive
There were 500 ______ at the international academic conference this summer.
A. spectators
B. viewers
C. participants
D. onlookers
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