In the last paragraph, "play down their visibility" refers to ______.
A. show off
B. be very modest
C. not show themselves
D. to debase themselves
查看答案
にほんごは ( )はなせます。
A. すこし
B. あまり
C. すこししか
D. すこしも
「ゆっくり」とは ( )ことです。
A. やすい
B. おそい
C. はやい
D. たかい
つくえの うえに ほんが ( )あります。
A. よんほん
B. よんさつ
C. よんまい
D. よっつ
What happens to nitrogen in body tissues if a diver ascends too quickly
A. It forms bubbles.
B. It goes directly to the brain.
C. It is reabsorbed by the lungs.
D. It has a narcotic effect.