国家提倡健康公民自愿献血的年龄是（）。 A.十八周岁至四十五周岁 B.十八周岁至五十

阅读短文，按要求完成短文后的各项任务。

    The relationship between student and teacher is less formal (正式的) in the U.S. than in many other

countries, especially at the college level. (1)当老师走进教室时, 学生不必起立. Students are generally

encouraged to ask questions during class, to go to the teacher's office for help after class, and to phone

if they can't go to school and need help with their lessons. (2)Most teachers allow students to enter class

late or leave early, if necessary.

    (3)However, students are still asked to be ________ to their teacher and classmates and to be ________

during a test. When students want to ask questions, they usually put up a hand and wait. When the teacher

or a student is speaking to the class, it's rude to talk to another classmate, even in a low voice. When a test

is being given, talking to a classmate is not only rude but also wrong. In the eyes of most American teachers,

students who are talking to each other during a test are cheating (作弊).

1. 将（1）句译成英文：                                                                                    

2. 将（2）句译成中文：                                                                                    

3. 在（3）句的空白处分别填入一个适当的词使句意完整、上下文通顺：

4. 在文中画出与下面句子意思相近的句子，并在该句句首标上序号。 

    Most teachers think it is dishonest for students to talk about something when they are having a test. 

5. 在文中画出或写出最能表达该短文主题的句子：

请写出一个一元二次方程，符合条件：①有两个不等实根；②其中有一个解为x=5．______．

便秘病位在大肠，但常与之有关的脏腑是（）

A.脾

B.胃

C.肺

D.肝

E.肾

实验室制取CO₂气体，一般分为五个实验步骤：①向广口瓶中放大理石  ②检查装置气密性  ③按要求连接仪器  ④向长颈漏斗注入盐酸  ⑤收集气体．其操作顺序正确的是（　　）

A．①④③②⑤

B．③②①④⑤

C．③②④①⑤

D．①②③④⑤

重建自我认知的技术包括()

A．渐进性放松训练技术(progressing relaxation training)

B．隐喻性阐释(metaphoric interpretation)技术

C．认知重建(cognitive restructuring)技术

D．阐释(interpretation)技术

E．自信心训练技术