The sun’s rays can ________ the sea to a depth of twenty meters.

The sun’s rays can ________ the sea to a depth of twenty meters.
A、pierce
B、penetrate
C、enter
D、spread
【正确答案】：B
【题目解析】：pierce 刺穿；penetrate 渗透；enter 进入；spread 传播；句意：阳光能穿透二十米深的海水。B符合题意。