问题补充：
Jimmy lives in London and began swimming a few months ago.
He likes swimming, and often goes to the swimming pool near by his【小题1】
house with his mother and swims there for a hour or so.【小题2】
He was six year old last week, and his mother said, “You【小题3】
swim quite good now, but you have never seen the sea, my【小题4】
child, haven’t you? Your father and I are going to take you【小题5】
there on Saturday, and you are going to swimming in the sea.【小题6】
It isn’t cold now, and it’s much nice than a swimming pool.”【小题7】
Jimmy’s father and mother brought him to the sea in their【小题8】
car on Saturday, but they stopped at the side of a small【小题9】
harbor(港口). Jimmy got out and looked at the sea for long【小题10】
time, but wasn’t happy. Then he said to his mother,
“Which is the shallow end, mother?”.去掉by
答案：
(答案→)去掉by
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