育英小学的操场原来长125m，宽60m，最近进行了改修，使得宽加长了15，现在操

Read the passage and fill in the blanks with proper words（在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给)

Anger (生气) is a kind of feeling. Many things can make you angry. When your teacher gives you too much homework, when your team loses an important game, when your friend b __1__ your favorite thing and then breaks it, you may get really angry.

Usually, your body will tell you when you are angry. For example, you breathe much f__2__, your face turns red and you may want to break something or hit someone, but sometimes, you hide your anger. For example, you may hide it in your h__3___ . The problem is that if you do this, you may get a headache or your stomach may hurt.

In fact, it’s not good to hide your anger, and it’s normal for you to get angry sometimes. But anger must be let out in the right way, without hurting o_  4  _or yourself. Let me give you some advice.

When you get angry, you can talk about it with other people. It’s helpful to talk about your anger with other people, such as p___5____, teachers, good friends etc. When you talk about anger, those b___6___feelings can start to go away. On the other hand, when you start to feel angry, you can do some other things: count from 1 to 100; go for a bike ride; think about good things, etc.

Don’t let your anger c  7   you. Remember that how you act when you are anger can make everything better or worse.

流行性出血热少尿的原因（）可除外。

A.有效循环血量减少，肾血流量减少

B.肾间质水肿和出血

C.下尿路阻塞，尿液排出障碍

D.尿蛋白和管型阻塞肾小管

E.肾素、血管紧张素Ⅱ的激活

0.5°=______′=______″．

学校为了奖励七年级的优秀学生，购买了甲乙两种奖品共50个，甲种奖品每个5元，乙种奖品每个8元，若两种奖品共花费 280 元，求甲乙两种奖品各买了多少个？

成本-效益分析是验证项目可行性的一种方法，关于这种方法的叙述，不正确的是（）。

A、成本-效益分析就是对项目的成本以及能够带来的好处进行比较

B、成本-效益分析要求创建一个两栏的表格，标题分别为“成本”和“效益”

C、成本-效益分析只考虑可以量化的部分，不能量化或不容易量化的部分就不用考虑

D、在多个项目方案的筛选中，应选择效益超过成本最大的方案