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更多“鳔 air bladder”相关的问题
第3题
Which is NOT true of bladder cancer？ 查看材料A.It is t
Which is NOT true of bladder cancer？ 查看材料
A.It is the 9th most common cancer worldwide.
B.It can be identified only by dogs.
C.It kills more than 100，000 people each year.
D.It is mainly caused by smoking.
第4题
The power of the new AUV is stored in the ______.A．form-shifting substanceB．internal mecha
The power of the new AUV is stored in the ______.
A．form-shifting substance
B．internal mechanism
C．spring that is pushed into a tight coil
D．external bladder
第5题
Participants in the experiment were __________. 查看材
料
点击查看答案
A.36 bladder cancer patients
B.144 cancer patients
C.108 healthy peoplE．
D.144 sick and healthy people
第10题
某些鱼的浮沉靠鳔的胀缩实现。原来静止在水中的鱼（）
A.鳔膨胀时浮力小于重力会下沉
B.鳔收缩时浮力大于重力会上浮
C.鳔收缩时浮力等于重力仍悬浮
D.鳔膨胀，鱼漂浮在水面时浮力等于重力
