在一个密闭容器内有a、b、c、d四种物质，在一定条件下充分反应，测得反应前后各物

One day Trudy saw an advertisement in a magazine. It offered a packet of 100 mixed stamps for $10. Trudy wanted to start a stamp collection so she ordered the packet. One hundred mixed stamps seemed a good way to begin a collection. She sent a postal order to the stamp company with her order, and waited excitedly for the stamps arrived. Trudy checked the mail every day for four weeks but the stamps didn’t arrive. So Trudy decided to write to the company. “Dear Sir/Madam,” she wrote, “a month ago I sent you a postal order for $10 as payment for 100 mixed stamps. They haven’t arrived. Please send them by return of mail.” another month passed. The stamps still didn’t arrive and she didn’t receive any replay to her letter. She asked her father for advice. Her father said, “You must write a stronger letter. Make the stamp company worry that you will report them to the authorities.” “Dear Sir/Madam,” she wrote in her second letter. “I am writing to complain about your poor service. Two months ago I sent you a postal order for $10 as payment for 100 mixed stamps. I didn’t receive the stamps. A month ago I wrote to inform you of this. I still haven’t received the stamps, and you haven’t replied to my letter. If I do not receive the stamps within seven days. I shall report this matter to the authorities.” Two days later Trudy received the stamps in the mail.

小题1:Trudy ordered the stamps because _______.

A．it seemed a good way to start a stamp collection

B．she wanted to give them to her father

C．she need them to mail some letters

D．she thought they were cheap小题2:Trudy paid for the stamps with ________.

A．cash

B．a check

C．the credit card

D．a postal order小题3:Trudy checked the mail every day for ______.

A．4 months

B．a week

C．a month

D．for 3 weeks小题4:In her second letter Trudy complained about how _______.

A．expensive the stamps were

B．boring the stamps were

C．poor the company’s service was

D．slow the postal service was小题5:Trudy received the stamps ______ after she sent the second letter.

A．a week

B．a month

C．two months

D．two days

躯体疾病所致精神障碍与下列哪些因素有关（）

A.原发躯体疾病的性质和严重程度

B.个体当时的躯体状况

C.性别和年龄

D.人格特征

E.既往神经精神病史

使用新霉素而致呼吸抑制，用新斯的明拮抗效果不满意时，可行人工呼吸并用适当的药物，可选用（）。

A.阿托品

B.链激酶

C.葡萄糖酸钙

D.尼可刹米

E.丙烯吗啡

比较不同图像记录存储介质性能时，应考虑

A．存取速度

B．存储容量

C．检索性能

D．成本

E．操作性能

内墙镶贴面砖饰面施工时所做的标志块横向间距一般为（）米。

A.1-1.5

B.2-2.5

C.1.5-2

D.2-3