如图某种是氮肥包装标签上的部分文字．请回答下列问题： （1）该肥料由　　种元素组

下列四组生物中，都属于真核生物的是[ ]

A．噬菌体和根霉

B．细菌和草履虫

C．蓝藻和酵母菌

D．衣藻和变形虫

根据汉语提示完成句子。

1. This box is ______ (正方形).

2. I want to give him a _____ (惊喜) today.

3. Can you ______ (数) these trees?

4. Which ______ (季节) do you like best?

5. We all ______ (穿) school uniform to go to school?

6. I like ______ (美味的) food.

7. I'm ______ (恐怕) you can't.

8. Tomorrow is February the ______ (八日).

9. We had a______ (令人惊喜的) party.

10. This is a ______ (充满希望) season.

临床资料：男，75岁，自述下腹部不适。超声综合描述：膀胱三角区左输尿管开口处可见直径1.2cm圆形无回声区，无回声区与左输尿管相通，动态观察随输尿管蠕动无回声有节律性变化。见彩图40。超声提示（）

A.左输尿管憩室

B.膀胱憩室

C.左输尿管囊肿

D.左输尿管脱垂

新生儿期是指从出生至（）

A.26天

B.28天

C.30天

D.32天

E.以上都不是

For small and medium-sized companies, those logistics management is still（）

A.decentralized

B.centralized

C.integrated

D.concentrated