超短波适应()毫米波适应()长波适应()短波适应()
A.功能性疾病
B.急性、亚急性疾病为主
C.慢性疾病为主
D.亚急性、慢性病为主
E.急性、慢性疾病
参考答案:B,E,A,D
根据下列的答语写出问句。
1. _________________________________________________?
My brother is 169 cm tall.
2. _________________________________________________?
I can play the piano.
3. _________________________________________________?
She's from Canada.
4. _________________________________________________?
I feel better now.
5. _________________________________________________?
I went to Beijing last weekend.
单相全波整流X线机,四个半导体整流器件中有一个断路,摄影曝光时,mA表指数()
A.升高
B.降低
C.无指数
D.减半
E.不变