Having come from a()society, Dick found it hard to adjust to a small town.
A. abundant
B. wealthy
C. sufficient
D. large
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Be careful with those fireworks; they are()to go off unexpectedly.
A. easy
B. probable
C. available
D. liable
Humidity (湿度) is so intense in some parts of the tropics that Europeans find they are unable to()it.
A. maintain
B. persist
C. endure
D. sustain
No effective()has been found for this fatal disease which claims thousands of lives each year.
A. settlement
B. method
C. remedy
D. prescription
能源是驱动人类活动的根本动力,人类每一次寻求新能源的行为都会引发能源革命,而每一次能源革命又必然伴随着能源科学技术的进步。()