可以出现股动脉枪击音的，b脏疾病有 A．ASD B．PDA C．AI D．TOF E

阅读理解

       When you are in English, you must be very careful in the streets because the traffic(车辆) moves on

the left. Before you cross a street, you must look at the right first and then left.

       In the morning and in the evening when people go to or come from work, the streets are very busy.

Traffic is the most dangerous(危险)then.

       When you drive a car in England, you have to be more careful, too. Always remember the traffic

moves on the left. So you must be careful. Have a look first, or you will go the wrong way.

       In many English cities, there are big buses with two floors. You can sit on the second floor. From

there you can see the city well. It is very interesting.

1. In England the traffic moves _______.   

A. on the right    

B. on the left    

C. in the middle    

D. in the park

2. When you cross a street, you must look at _______.

A. the front      

B. the right      

C. the left        

D. both B and C

3. The streets become very busy in the morning and in the evening because _______. 

A. the people go to work          

B. the people come from work

C. the people go shopping          

D. both A and B

4. It's _____ to cross the streets in the morning and in the evening.

A. dangerous    

B. easy        

C. interesting      

D. safe

5. You can see the city well on the _____ floor of the bus.

A. first        

B. second      

C. third          

D. fourth  

We have to__ourselves when we are away from home.

A．look at

B．look for

C．look up

D．look after

下列不属于生物防治实例的是

A．啮小蜂将卵产在美国白蛾的幼虫体内

B．瓢虫吃蚜虫

C．苏云金杆菌毒杀松毛虫

D．人们喷洒农药杀害虫

6.72＋3.68=10.40，小数部分末尾的0一般要去掉，所以6.72＋3.68=10.4。[ ]

给能接受普通教育的残疾人创造条件，使其进入普通学校接受教育，对不能接受普通教育的残疾人，则开设特殊学校使其接受教育。这些特殊学校包括：专门学校、访问学校和

A．聋哑学校

B．盲文学校

C．医学康复和教育康复相结合的学校

D．手语学校

E．技能学校