What does this sentence mean “I can’t agree with you more”？
A. 我再也不同意你的观点。
B. 我再同意你的观点不过了。
C. 我很不赞同你的观点。
查看答案
If we say somebody is really healthy, we mean it is _______health.
A. physical
B. mental
C. physical and mental
If you want to keep healthy, you must be_______.
A. optimistic.
B. pessimistic
C. discouraged
From the dialouges of this part, we can learn that it is helpful for our health except___.
A. doing more exercises
B. keeping balanced diet
C. sleeping all day
凸轮机构通常由下列构件组成（）
A. 主动件、凸轮和机架
B. 主动件、从动件和推杆
C. 凸轮、推杆和机架
D. 主动件、凸轮和从动件
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