动脉里流的都是动脉血，静脉里流的都是静脉血。（判断对错）

某校在七年级设立了六个课外兴趣小组，每个参加者只能参加一个兴趣小组，下面是六个兴趣小组不完整的频数分布直方图和扇形统计图．根据图中信息，可得下列结论不正确的是（　　）    

1895年《马关条约》的签订使中国开始沦为半殖民地半封建社会。

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    On Sundays, Li Lei gets up at six thirty. He has 1 at eight. Then he helps his mother 2 the housework（家务劳动）. At ten o'clock he leaves 3 and goes shopping 4 bike. At about eleven o'clock he comes 5 home.

    He likes 6 very much. He helps his mother with the cooking. They 7 lunch at twelve.

    In the afternoon he often 8 games with his friends. They have 9 at six thirty. In the evening he does his homework. Sometimes, he 10 TV. He goes to bed at nine.

两栖动物的幼体和成体分别生活在（    ）