图示洋葱根尖细胞有丝分裂的图像和有丝分裂过程中DNA数量变化曲线，其中A、 B、 C、D

On sunny days we can see the sun in the sky. It looks like a hot and bright plate. But it is a ball. It is much bigger and hotter than any fire. And it is much brighter than all the lights in the world.

The sun is a star but it looks much bigger and brighter than any other star. Many stars are much bigger than the sun. The sun is much nearer to us, so it looks much bigger.

At night we can see the moon and many stars. The moon is a round ball. It is much smaller than the stars. The stars are much farther away from us; so thy look much smaller than the moon. The moon has no light of its own. When the sun shines on it, it looks bright. When the moon is full. It looks very beautiful.

小题1:Why does the sun look bigger than any other star?

A．Because it is bigger than any other star.

B．Because it is hotter than any other star.

C．Because it is brighter than any other star.

D．Because it is nearer to us.小题2: Which is the nearest to us?

A. The moon.        B. The sun.         C. The stars.

小题3:Why do the stars look smaller than the moon?

A．Because the stars are smaller than the moon.

B．Because the stars are nearer to us.

C．Because the stars are farther away from us.

D．Because the stars are bigger than the moon.小题4: Why does the moon look bright?

A．Because it is bright.

B．Because it has light of its own.

C．Because the stars shine on it.

D．Because the sun shines on it.小题5:Which one is not right?

A．The sun looks like a bright plate.

B．Many stars are bigger than the sun.

C．The moon is smaller than the stars.

D．The moon has light of it’s own.

贫血最常见的类型是（）

A.再生障碍性贫血

B.巨幼细胞性贫血

C.缺铁性贫血

D.溶血性贫血

E.慢性炎症性贫血

16岁，女性，高中生，下腹部坠胀痛5小时来诊。无月经初潮，近3月出现周期性下腹部坠胀痛，进行性加重，每月持续3～5天，可自行缓解，伴有低热、尿频。

妇科检查，发现前庭部黏膜膨隆，并略显紫色，不应考虑的诊断是（）

A.处女膜闭锁

B.完全性 * * 横隔

C. * * 下段闭锁

D. * * 纵隔

E.先天性无 * *

F.先天性无子宫

G.残角子宫

H.单纯性宫颈闭锁

会计核算软件可以任意划分会计期间，分期结算账目，这是会计核算软件适时灵活的表现。( )

按照《五金交电家电化工商品的购销合同实施办法》规定，供方错发到站、中转单位、收货单位及接货人，与需方同城的，由需方就近解决。供方应承担（）。

A、违约金

B、货物损失

C、由此造成的损失和费用

D、中国人民银行规定的罚金