简述i5T3.3系列机床丝杠、导轨的特点。

Read the following reviews for movies that are showing at the moment．And then answer questions．

Happiness（Romance）★★★★

Happiness tells the story of two people （Lisa Turbot and Danny Roy） who work for different advertising companies．They talk on the phone all the time and don't like each other．But then they correspond by email and fall in love．This movie will be very popular with teenagers and people who like romances．It also has beautiful music．

I Scream （Thriller）★★

In I Scream, Paul （Colin Jacks） is a young man who joins a thriller club．Each of the members tries to frighten the others．Paul is told to stay in an old house for the night．This movie is very frightening but also quite silly．It doesn't make sense for Paul to stay m the house when things start to go wrong．Only for people who like thrillers．

Paul's Heroes （Comedy）★★★

This is a very funny war movie set in World War Two．Six soldiers （including Sammy Turblow） have to get to Italy to take secret messages to the American army there．During the movie, they dress up as women and fight with Italian workers．You can guess the ending, but it's great fun getting there．

_____（Drama）★★★★

This is a very good drama with Jack Ross, who pays a hard-working truck driver．His wife becomes ill and he has to find a doctor who can help her．m his travels he meets Dr．Lloyd （Phil Driver） who has found the cure for the illness, but Jack Ross has only twelve hours to get the medicine back to his wife on the other side of America．This is an excellent movie, which is very exciting．

小题1:Which of the four movies is the least popular with people?

A．The 1st one.

B．The 2nd one.

C．The 3nd one.

D．The 4th one.小题2:The underlined word "correspond" can be replaced by _________.

A．date

B．exchange

C．write

D．communicate小题3:A thriller is most probably a film which tells something _________.

A．frightening

B．instructive

C．humorous

D．interesting小题4:Which of the following is the best title for the fourth film?

A．A Hard-working Truck Driver

B．Medicine

C．A Strange Illness

D．Twelve Hours

班级规模是从哪些方面影响课堂管理的

关于间质性肺炎，下列影像哪项不对（）

A.肺纹理增多，边缘模糊

B.网状、小点状影

C.可有弥漫性肺气肿

D.可有肺不张

E.特征性"八"字阴影

断路器广泛用于电力系统的线路上，同时承担的任务有（）。

A．控制

B．传递

C．分配

D．保护

妊娠恶阻是指

A．妊娠早期，出现以严重恶心呕吐为主症者
B．妊娠早期，出现以心中烦乱为主症者
C．妊娠早期，以按月仍有少量月经为主症者
D．妊娠早期，出现以腰酸腹痛为主症者
E．妊娠期，出现以小腹疼痛为主症者