在不超过4面墙端点连接到一起时候，可以使用墙连接命令，其中包括以下哪些连接类型（）。

（1）把物体质量从小到大排序（填序号）___________________。

①一位初三学生质量 ②一枚1元硬币质量 ③一个鸡蛋质量 ④一台手提电脑质量 ⑤一本物理书质量 ⑥一头大象质量

（2）将物体尺度或长度单位从小到大排序（填序号）_____________________________。

①分子直径②细铜丝直径 ③原子 ④原子核 ⑤电子  ⑥质子 ⑦光年 ⑧一个天文单位

近代史上中国向外国赔款数额最多的不平等条约是 [ ]

A、《马关条约》

B、《辛丑条约》

C、《南京条约》

D、《天津条约》

常用于外阴病变，如外阴 * * 炎、外阴瘙痒湿疹等

A．熏洗法
B．坐浴法
C．冲洗法
D．纳药法
E．贴敷法

More and more scientific experiments prove that physical exercise can reduce the dangers of some illnesses in middle-aged persons．Exercise strengthens the heart muscle，reduces blood pressure and help to prevent muscles from changing into fat．Physical exercise is just as important for children．

Exercise and food affect growing speed in young lab animals．Baby mice start running as soon as they are big enough to use an exercise wheel in their cage．If  they get extra food and run a lot，they will grow as much as 1.5 times bigger than normal．

The same differences in growing speed might be found between active and inactive children．Physical exercise helps active children grow faster than inactive children．One experiment shows that the brains of the mice that had enough exercise weighed about 3％more than those of the mice that did not exercise The mice that exercised are much quicker to learn doing new exercise than the mice that did not exercise．

The results of the experiments suppose the theory that exercise can help babies learn to talk and walk sooner than expected．

The good effects of physical exercise are not limited to children and middle-aged people．Exercise continues to be an important part of our lives after we grow old．For example，people over 50 years old begin to lose calcium(钙) from their bones，which get weaker and can break easily．Physical exercise，however，helps to strengthen the bones and to prevent them from losing calcium．Of course，old people can take medicines to prevent themselves from suffering from losing calcium．But the medicines they take increase the chance of developing some kind of cancer(癌)．So physical exercise is a much safer treatment(治疗)．

小题1:From the passage we know that         .

A．mice need to eat more and exercise more

B．children need more exercise than other people

C．old people like to take medicine to treat their illnesses

D．middle-aged people are easy to get fat小题2:Active children        than inactive children．

A．enjoy walking more

B．are cleverer and healthier

C．are stronger but more foolish

D．are cleverer but weaker小题3:Why are the bones of old people easy to break according to the passage?

A．Because they are easy to become ill．

B．Because they eat less than other people．

C．Because they have less exercise than other people．

D．there is less calcium in their bones than in those of other people．小题4:The passage tells people that       .

A．only middle-aged persons can benefit from physical exercise

B．physical exercise can do good to both the middle-aged and children

C．people of different ages can all benefit from physical exercise

D．physical exercise is the safest treatment for losing calcium

能用于常规查体，且能发现早期肾癌的简便方法是（）

A.排泄性尿路造影

B.逆行性尿路造影

C.B超检查

D.CT检查

E.MRI检查