大型低速柴油机选用燃油根据的两个重要指标是（）A.十六烷值和闪点 B.十六烷值和硫分

任务型阅读：根据短文内容完成下列句子

       I asked Mom to let me cook dinner for the family last night. I told her I'd cook something simple so

she agreed.

       We usually eat Asian food like Chinese or Japanese, but I decided to make something different. I

chose an Italian food-Spaghetti with meat sauce(肉羹).Spaghetti is easy to cook.

       I put enough Spaghetti for everyone in my family into a pot of boiling, salted water. I let it cook for

about ten minutes. But before this, I made the meat sauce.

       I want the meat sauce to be really delicious. I chopped(剁碎)an onion into small pieces. I fried the

onion in the oil for a few minutes.

       When the onion was soft, I put some beef into the pot with the onions, and fried them together for a

few minutes. Then I added some tomatoes. Finally, I added some tomato juice and let it cook on a low

heat for about an hour.

       When the Spaghetti was ready, I put it into a large bowl. Then l poured the meat sauce over it.

       There was enough for everyone and we all put some cheese on top of it.  Everyone enjoyed it and

Mom said she would let me cook something else another day.

       I'm going to read a cook book and find something really interesting to cook.

1. I want to cook something ________for my family.

2. We usually eat _________food, but I decided to choose an _________food-Spaghetti.

3. I add some _________,beef into the meat sauce and it must be_________.

4. After frying beef with the onions together for a few minutes, I again added some_________.

5. Everyone in my family enjoyed the meal and I'm going to read a ________to find something

really ________to cook.

(5分)“化学就是你，化学就是我；你我的消化系统是化学过程的场所……”，它告诉我们化学就在我们的身边：

(1)在氮气、氧气、二氧化碳等物质中：①可用于人工降雨的物质       （写化学式，下同）。②空气中含量最多的气体          。

(2)电解水时在水中加入少量氢氧化钠或稀硫酸，其作用是                     。

(3)不同的火灾所采取的灭火方式不同。如扑灭森林火灾时可以采取的方法或原理是

                                               ；扑灭因电线老化而引起的 火灾时应先             ，再进行灭火。

按照《国际法院规约》的规定，国际法院的管辖权包括（）和（）。

政府投资资金以资本金注入方式投入的，要确定( )。

A．出资人制度
B．出资人代表
C．专家评议制度
D．法人责任

人类喜欢海豚。这表现在许多小事上，比方说，世界上所有与海豚常在一起的人不叫驯兽员，而被称为训练员。第一，这是出于尊重并把海豚同其他动物区别开来。第二，驯兽——一种糖果加鞭子的驯化方法，以肯定和否定的方式对动物进行强化训练，即奖赏和惩罚。而海豚是唯一一种不能被惩罚的动物，只用正面肯定的强化方式——训练。
不属于文中画线部分理由的一项是( )。

A．这是出于尊重并把海豚同其他动物区分开来
B．海豚是唯一一种不能被惩罚的动物，只能用正面肯定的强化训练
C．这是由于人类喜爱海豚
D．这是因为海豚需要用奖赏和惩罚的方式进行训练