想一想，填一填。 1. ____________ book 2. _______

硫代硫酸钠溶液与稀硫酸的反应方程式为：Na₂S₂O₃+H₂SO₄═Na₂SO₄+S↓+SO₂+H₂O，某实验兴趣小组用如图所示的实验装置探究外界条件对化学反应速率的影响（加热仪器和夹持仪器均已省略）．

（1）实验目的：装置甲，探究浓度对化学反应速率的影响；装置乙，探究______对化学反应速率的影响．

（2）通过甲、乙装置，分别进行了三组实验，数据记录如下，并经分析得出相关结论：

实验 组号	温度	Na2S2O3溶液		H2SO4		加入H2O的体积	出现沉淀所需时间
		体积	浓度	体积	浓度
Ⅰ	0℃	5mL	0.1mol•L-1	10mL	0.1mol•L-1	5mL	8s
Ⅱ	0℃	5mL	0.1mol•L-1	5mL	0.1mol•L-1	10mL	12s
Ⅲ	30℃	5mL	0.1mol•L-1	5mL	0.1mol•L-1	10mL	4s

结论1：由Ⅰ和Ⅱ两组数据可知______；

结论2：由Ⅱ和Ⅲ两组数据可知______．

与劳动关系密切联系的其他社会关系主要包括（）。

A.因实施社会保险制度而发生的社会关系

B.因劳动争议调解和仲裁而发生的社会关系

C.因工会组织职工参与民主管理、维护职工合法权益而发生的社会关系

D.因职工损害企业利益而发生的社会关系

E.因劳动安全卫生管理和服务而发生的社会关系

能与麻黄碱发生颜色反应的是

A．碘化铋钾试剂

B．二硫化碳碱性硫酸铜试剂

C．硅钨酸试剂

D．氯化汞试剂

E．漂白粉

（）的具体适用范围包括科技系统的支出、原用科技三项费用和科技事业费安排的相关支出。

A、“教育支出”类科目

B、“科学技术支出”类科目

C、“公共安全支出”类科目

D、“科学技术普及”款级科目

In the New York street a small truck hit a big tree. The truck was full of glasses and they were all (41) now. The driver came out of the truck and looked at the broken glasses. He was very (42) . And people in the street were (43) for him.
Then an old man walked to the driver, looked at him for a few (44) and said, "My poor boy, I think you must (45) a lot for it."
"Yes, "was the bad answer.
"Well, "said the old man," hold out your (46) . Here’s some money for you, and I hope all the people around here will give you (47) ,too. "With these words, he walked away.
The driver held out his hat and over a hundred people came and put their money in it. At last the driver (48) a bag and put all the (49) in. Then he looked at the people and said, "Thank you very much. I’m working for that old man and all these (50) are made in his factory. \

[A] happy[B] sorry[C] pleased