0.00020用科学记数法表示为______．

My name is Mike. I have a big family. It’s Saturday morning. My grandfather is sitting on the sofa near the window. He is reading the newspaper. My grandmother is taking photos of some flowers in the garden near the house. My father is watching sports games on TV in his bedroom. Basketball games are his favorite but he can’t play basketball. Where are my two sisters? Oh, look! Lily is over there. She is listening to music. She likes music very much. Lucy is in her room. There is a computer in her room. She is surfing the Internet(上网). She is writing an e-mail to her friend. What am I doing? I am doing my homework. Do you know who is cooking?

小题1: How many people are there in Mike’s family?

A．5

B．6

C．7

D．8小题2: What is Mike’s grandfather doing?

A．He is doing housework.

B．He is reading the newspaper.

C．He is watching TV.

D．He is taking photos.小题3: Mike’s father likes ______ very much.

A．watching sports games

B．playing basketball

C．listening to music

D．reading newspapers小题4: Where can we find Mike’s grandmother?

A．In her room.

B．In the house.

C．On the sofa.

D．In the garden.小题5:Who may be cooking for the family now?

A．Mike’s sister

B．Mike’s father

C．Mike’s mother

D．Mike’s grandmother

下列各对数中，数值相等的是（　　）

A．+3²与+2²

B．-3²与（-3）²

C．-2³与（-2）³

D．3×2²与（3×2）²

赵先生，68岁，肠梗阻术后行TPN，遵医嘱给予TNA2000ml周围静脉输入。约3小时后，病人出现表情淡漠、嗜睡，随即出现昏迷。检查提示：血糖36.8mmol/L，血清Na⁺155mmol/L，血清K⁺4.5mmol/L，血浆渗透压380mmol/L，尿糖强阳性，尿酮体（-）。此时TNA剩余不足1000ml，病人既往无糖尿病史。

出现此情况的可能原因是（）

A.TNA配制时污染

B.TNA输入过快

C.TNA中葡萄糖浓度过高输入过快

D.病人对TNA过敏

E.从周围静脉输入了TNA

患者，因过劳，4小时前左侧胸部剧烈疼痛，并向左肩放射，心悸，大汗出，伴气短、头晕、无力、四肢厥冷，舌淡紫，苔白腻，脉沉细弦，偶有结脉。治则为

A．补气回阳，散寒化浊
B．化痰降浊，活血化瘀
C．益气回阳，温通活血
D．宣通胸阳，散寒化浊
E．补益心气，活血化瘀

借款人的全部资金来源于两个方面：一是借入资金，包括流动负债和长期负债；二是自有资金，即所有者权益。( )