车轮作动平衡试验时，要输入A、L、D三个尺寸，其中A是指（）。 A.轮辋宽度 B.轮

根据短文内容，从短文后的选项中选出能填人空白处的最佳选项。选项中有两项为多余选项。

How Can I Fight Laziness?

Lazy people will never amount to anything in life. However, laziness can be defeated once a few changes have been made in your mind.

___小题1:____. Many people lack sleep constantly, since they stay up too late and get up too early to prepare for work. These people have little motivation once they arrive home. Laziness works hand in hand with a lack of motivation and a tendency to put off things. By adjusting your sleep schedule to provide a few more hours of meaningful rest, you can fight laziness throughout the day.

Another way to fight laziness is to change your mind from passive to active. Some people treat their lives as if they were pushed from task to task. Others take a more proactive approach, viewing each task as a challenge they must overcome alone. ___小题2:____

Some people fight laziness by removing the temptations(诱惑) that surround them. A television in the living room may provide entertainment, but watching too much TV often contributes to laziness. ___小题3:____complete a few tasks and reward yourself with what you enjoy,such as a good dinner or a film.

Laziness can also be a lasting problem at home. Couples and children may all have different energy levels, but laziness can be spread if not dealt with immediately. ___小题4:____ Be the first to collect and wash dishes after a meal. Others in the home may eventually follow your example and perform their own task. It is difficult to practice laziness when you are surrounded by motivated people.

____小题5:___ enough exercise and a balanced diet can help you to develop a healthy lifestyle, thus enabling you to have more energy and help lift your spirits.

A．To fight family laziness, set an example.

B．Knowing how to fight laziness is important.

C．One way to fight laziness is to get enough sleep.

D．Finally, taking exercise regularly can help you fight laziness.E. With strong determination, you will be able to achieve your goal.

F. Laziness sets in when you no longer feel in charge of your own life.

G. Create a reward system for yourself, just as parents do for a child.

放射性¹³¹I治疗甲亢的最主要并发症是（）

A.甲状腺癌变

B.诱发甲亢危象

C.粒细胞减少

D.永久性甲状腺功能减退

E.突眼恶化

探究训练模式的教学效果很大程度上取决于起组织作用的概念与学习材料之间的整合关系和适当程度。（ ）

质点的脉动是湍流最基本的特点。

局域网(LAN)一般是一幢建筑物内或一个单位几幢建筑物内的计算机互连而成的计算机网络，局域网有多种类型，目前使用最广泛的是
A)FDDI B)以太网
C)ATM局域网 D)无线网