加热炉点火前要确保燃料油的雾化蒸汽引入，雾化蒸汽压力（）燃料油的压力A.大于 B.小

肾脏良性肿瘤最常见的是（）。

A.肾脏错构瘤

B.海绵肾

C.肾上腺瘤

D.肾柱肥大

E.肾脏 * * 状瘤

根据中文填入单词。

1. Children must keep ________ (他们) away from water and fire.

2. It's too cold. Please keep the window ________ (关着)

3. Tell these ________ (参观者) not to write on the wall.

4. Rabbits like eating carrots. So he often ________ (喂) some to his rabbit.

5. My bird is covered with beautiful ________ (羽毛).

6. Suzy is weak at ________ (地理), so she is trying to work harder on it.

7. Cover yourself with a ________ (毛毯)if you feel cold.

8. Who is ________ (感兴趣) in camping with us in summer?

9. The whisper behind the tree made me feel ________ (恐惧).

10. He is so ________ (粗心) that he often makes a few mistakes in his homework.

医院规章制度不健全、职责划分不明确，工作思想不认真导致的医疗事故属于（）

A.人为因素

B.医疗设备因素

C.医疗药品因素

D.环境因素

E.时间因素

下列合同中，属于诺成合同的是（）。

A.买卖合同 

B.借用合同 

C.承揽合同 

D.租赁合同 

E.一般赠与合同

利他行为：指人们出于自愿、不指望任何报酬的帮助他人的行为。 下列属于利他行为的是( )

A．小张营救失足落水儿童余某，事后希望余某家人付给其报酬

B．小李制服企图抢劫的歹徒。事后，单位奖励他人民币5000元

C．战士小李十年如一日，坚守边疆，荣立三等功

D．丁某发现自己家中失火，迅速拨打119，并协助消防人员灭火