影响爆速的因素有哪些？

The Mid-Autumn Festival is coming. Let’s see what my friends are going to do during the three-day holiday.

Peter: I’m going to visit my uncle and aunt with my parents during the three days. They live in the countryside. It is far from our city, Beijing. We’re going to take the train there. I am going fishing there with my cousin.       

Eliza: I’m going to visit my grandparents with my parents on the first day. They live in a small town. It is going to take us one hour to get there by car. On the second day, I’m going to have a party with my friends. On the third day, I have to do my homework and study for a math test.

Gina: My cousin is visiting us. He lives in Tianjin. He is coming by bus. On the first day, I’m going to play ping-pong with him. On the second day, I’m going to take him to Eliza’s party. On the third day, my cousin is going back and I am going to do some shopping with my parents.

小题1:Peter is staying in ______ during the three- day holiday.

A．Beijing

B．the countryside

C．Tianjin

D．a town小题2:How is Eliza going to her grandparents’ home?

A．By car.

B．By bike.

C．By bus.

D．By train.小题3:Gina is ______ on the third day.

A．visiting her cousin

B．playing ping-pong

C．doing her homework

D．doing some shopping小题4:Who are going to Eliza’s party?

A．Peter and his cousin.

B．Gina and her cousin.

C．Peter and Gina.

D．Peter, Gina and their cousins.小题5: From the passage, we can know that ____.

A．Peter doesn’t like fishing

B．Eliza is going to have a test

C．Gina likes all kinds of sports

D．all three of them have no homework during the three days

直接抗球蛋白试验

腓骨小头骨折损伤的神经是（）

A.股神经

B.坐骨神经

C.腓总神经

D.胫神经

E.腓浅神经

钛合金是高熔点金属，但也可以用相应的焊接方法进行熔化焊。

下止点是指活塞离曲轴回转中心（）处。

A.最远

B.最近

C.最高

D.最低