更多"How many dangers will animals meet "的相关试题:
[单项选择]How many dangers will animals meet in the deep sea
A. Two.
B. Three.
C. Four.
[单项选择]The deep-sea listening system makes use of
A. the sophisticated technology of focusing sounds under water
B. the capability of sound to travel at high speed
C. the unique property of layers of ocean water in transmitting sound
D. low-frequency sounds traveling across different layers of water
[单项选择]The use of helium for deep-sea diving
A. helped to overcome the physical discomforts the divers experienced when nitrogen was used.
B. was found by Dr. Jeol Hiderbrand.
C. is still universally acknowledged as standard practice up to now.
D. all that is included in A, B, and C.
[单项选择]And yet here in front of our noses are deep-sea, carbon-based microbes ______ hellish, almost Venus-like conditions.
A. enabling to live in
B. enable us to live in
C. are able to live
D. able to live in
[单项选择]Women can go down into the deep sea,too.
