一养鱼专业户为了估计池塘里有多少条鱼，先捕上100条做上标记，然后放回池塘里，过

.

II.补全句子（共5小题计5分）每空一词

1. She is _____  ______  _______(盼望) his return as much as he himself is to see her.

2. ___  ____  _______(说实话)，we love this place, but we won’t live here for long.

3. Her parents died when she was a baby and she _____  _______  ______(抚养)by her aunt.

4. He felt sorry after he said to his mother _____  ________  ________ _______

(以粗鲁的方式).　

5. You should ________  ______(道歉)your teacher for coming late.

育英中学初一、二班23名同学星期天去公园游览，公园售票窗口标明票价：每人10元，团体票25人以上（含25人）8折优惠，你认为这23名同学最优惠的购票方法是______．

下面是四位同学对生物变异的认识，你认为正确的是

A．生物的变异都是可遗传的变异

B．变异在生物界是一种个别现象

C．没有变异就没有生物的进化

D．生物的变异大多是适应环境的

汽油抗爆性的好坏一般用（）表示。

A.蒸发性

B.凝点

C.辛烷值

D.十六烷值

企业应交的所得税等于利润总额乘以适用税率。 ( )