膳食中优质蛋白质应占膳食蛋白质总量的（）
A. 10%-20%
B. 20%-30%
C. 30%-50%
D. 50%-70%
There must have been someone who has instigated a rebellion because the people are so well organized.
A. incited
B. tampered
C. intruded
D. meddled
To reveal a military secret to the enemy is tantamount to treason.
A. exactly
B. equivalent
C. paramount
D. unquestionably
午餐的餐次比是指（）摄入的能量占全天总摄入量的百分比。
A. 早餐
B. 午餐
C. 晚餐
D. 以上选项都错误
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