35升=______毫升40cm3=______dm3．

根据句意和首字母填入恰当的词 

1. We were completely in the d __    about his movements.    

2. Her answer is r_____.    

3. If you want to s  __    . money, you had better buy second-hand books.    

4. I w____ about the exam tomorrow because it's very difficult.  

5. I used to eat c____ all the time. It's bad for my teeth.

化脓性脑膜炎合并硬脑膜下积液的治疗方法是

A．以上都不是

B．加大地塞米松

C．应做硬脑膜下穿刺放液

D．加大青霉素剂量

E．用甘露醇脱水

阻塞性肺气肿产生低氧血症的主要机制是（）

A.膈肌运动幅度降低

B.通气／血流比例失调

C.肺活量减少

D.肺总量减少

E.胸部活动受限

较少用于显像，而主要用于肾图的显像剂是（）

A.^99mTc-DTPA

B.¹³¹I-OIH

C.^99mTc-DMSA

D.^99mTcO^-₄

E.^99mTc-RBC

在电路中，消耗能量的部件称为（）。

A.负载

B.功率

C.电容

D.电阻