慢阻肺主要累及（）。 A.肺脏 B.心脏 C.肾脏 D.肝脏

Have you ever seen a horse with toes (脚趾)? Millions of years ago, horses had many toes.They had four toes on each front foot.They had three toes on each back foot.The horses were smaller than cats.

These small horses lived in the forest.Their many toes helped the horses run over the soft wet ground.

It was very hot in the forest.But the weather changed.It became cold.Many trees couldn’t live in cold weather.The trees died and fell.Forest became open field.The sun made the ground dry and hard (坚硬).Horses began to change too.They began to get bigger.This took a long time.On the dry hard land, horses needed only their middle toes for running.At last their middle toes became hard.

小题1:Long ago, the horse had four toes on each of its __________.

A．back feet

B．front feet

C．right feet

D．left feet小题2:The cats were __________ the horses at that time.

A．as big as

B．smaller than

C．bigger than

D．as small as小题3:When the weather changed, __________.

A．many trees grew well in cold weather

B．animals began to change too

C．cats were older than the horses

D．horses were the same as they are

发展心理学研究的主要内容包括（）。

A.一生全过程心理发展年龄阶段特征

B.阐明各种心理机能的发展进程和特征

C.探讨心理发展的内在机制

D.研究发展心理学的基本理论

按照保险的实施方式，保险分为( )。

A．法定保险

B．财产保险

C．一切危险保险

D．特定危险保险

E．自愿保险

绒癌临床治愈标准是（）

A.化疗后症状、体征消失，血β-HCG每周测定已3次正常，又随访2年

B.化疗后症状、体征消失，血β-HCG每周测定已3次正常，又随访3年

C.化疗后症状、体征消失，血β-HCG每周测定已3次正常，巩固化疗2疗程后又随访2年

D.化疗后症状、体征消失，血β-HCG每周测定已3次正常，巩固化疗2～3疗程后又随访5年

E.化疗后症状、体征消失，血β-HCG每周测定已3次正常，巩固化疗2～3疗程后又随访3年

曹爽是三国魏国的大 * * ，是谁杀了他呢？