Where does the uterine artery originate（）
A. the anterior trunk of the internal iliac artery
B. external iliac artery
C. abdominal aorta
D. renal artery
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_of the Taihu Lake which has the fame as “a boundless expanse of blue waters” are within the boundary of Suzhou（）
A. Half
B. One third
C. One fourth
D. Three quarters
Show respect for your colleague’s workspace and__ when you enter somebody’s office（）
A. be careful
B. knock
C. disturb
D. be aware
When you meet your co-worker who is from America for the first time, what should you say（）
A. You are so handsome
B. You Chinese is quite good
C. You look slim
D. You are much higher than me
In a meeting, which of these is acceptable（）
Arriving five or ten minutes late
B. Talking on your mobile phone
C. Arriving five minutes early
D. Having a private conversation with the person next to you
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