癌细胞最易进入下列何管道转移: ( )
A. 毛细血管
B. 毛细淋巴管
C. 小动脉
D. 小静脉
E. 大动脉
胸导管收集淋巴液的范围
A. 左半身
B. 右半身
C. 上半身
D. 下半身
E. 人体3/4的淋巴液
According to the video, Rebecca Hosking is a ________________.
A. wildlife camera woman
B. TV presenter
C. TV writer
D. TV reporter
Why it’s impossible for people not to break the environmental rules?
A. Because they are eco-dinosaurs
Because they’re forced to do so.
C. Because some of the things that hurt the environment most are things we all depend on.
D. It’s not mentioned in the video.
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