It is difficult for him to make such decision.
A. happy
B. hard
C. easy
D. simple
查看答案
You should give up smoking because it is bad for you.
A. try
B. agree
C. quit
D. decide
The poor old man passed away on a cold winter night.
A. went away
B. died
C. left home
D. got sick
蛋白质供给标准是()。
A. 占总能量的20％
B. 占总能量的11％～15％
C. 占总能量的18％
D. 占总能量的8％
E. 占总能量的25％
__________ 查看材料
Activists
B. Practitioners
C. Dieters
D. Exercisers
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