《礼记》的编者是：（）。A、孔子 B、孟子 C、戴德、戴圣 D、刘向

This is my school. There are many trees and flowers in it. The teaching building is big and tall. There is a big playground in our school. After 4:30 in the afternoon, many students come to the playground to play football and some students play table tennis in the table tennis room.

There are 1,200 students in 25 classes in our school. The students all like to study. The teachers in our school are very good. They help the students to study and the students like them, too.

小题1:The school looks _____.

A．small

B．old

C．nice

D．new小题2: It’s very nice for this school to have ____.

A．trees and flowers

B．a playground

C．students and teachers

D．desks and chairs小题3: There are at least (至少) _____ students in one class.

A．45

B．65

C．75

D．55小题4: After class the students often go to _____.

A．their classroom

B．their homes

C．the playground

D．the art room小题5:What may teachers not do?

A．Give the students lessons.

B．Play football and table tennis with the students.

C．Don’t like some students.

D．Help students to study.

解决裂片问题可采取如下哪些措施（）.

A.换用弹性小、塑性大的辅料

B.颗粒充分干燥

C.减少颗粒中细粉

D.加入黏性较强的黏合剂

E.延长加压时间

患者女性，40岁，半年来口腔反复疼痛、“溃疡”就诊，半年来患者有反复低热，原因不明。检查可见患者消瘦，慢性病容，口内颊黏膜、舌黏膜、腭黏膜大量灰白色假膜，易撕下，遗留浅层糜烂或渗血的表面，牙龈红肿，部分龈缘糜烂

该病病因为

A．白念珠菌感染
B．病毒感染
C．细菌感染
D．遗传因素
E．营养不良

吸收塔在开车时，先启动吸收剂，后充压至操作压力。

对于中石化易捷便利店来说商品销售的目标通常有（）.

A、追求利润的最大化

B、美化环境

C、扩大销售额

D、陈列展示