能使动脉血压升高的因素有()A．心率加快 B．呼吸变浅 C．外周阻力增加 D．每藉量

在正手发后场高远球技术动作中，右手握拍的运动员在做准备动作时应（）。

A、左脚在前

B、右脚在前

C、两脚平行站

阅读理解：根据短文内容判断下列句子的正误，正确的用“A”，错误的用“B”。

       It's good to get along with your teacher because it makes school time more pleasant, Kids who get

along with their teachers can learn more. They're also more comfortable asking questions. This makes it

easier to do your best on tests. When you get along with the teacher, he

or she can help you solve(解决)your problems and help you do well at school.

       Being a kid in middle school is a great time in your life.  You are learning many interesting things and

you are thinking in new ways.  Your teacher knows that and wants to help you. You should remember that teachers want to help you. That's why they wanted to be teachers in the first places are always good

students, whether they like the teacher or not, but most kids are sensitive to the way they get along with

teacher. You should try to ask questions and get to know him or her better.

( ) 1. Kids may not feel good if they don't get along well with teachers.

( ) 2. Teachers will give kids better grades if kids get along well with them.

( ) 3. You learn the most interesting thing when you're in middle school.

( ) 4. According to the passage', all kids like their teachers.

(     ) 5. The writer thinks that kids should get along well with their teachers.

美国与中美洲自由贸易协定是将ASEAN、EU和NAFTA中的国家联合成一个更大的自由贸易区。（）

I'll take two of them to the Great Wall.______ is Sam,_____is Janet.[ ]

A. One; one      

B. One; other      

C. The one; other        

D. One; the other

个人包裹经（）次有效投递未能投出的，应改为局内投交。

A.1

B.2

C.3

D.4