____ come from America. They speak English. [ ]
A. English
B. Americans
C. Australians
答案:B
判断下列句子是否正确,正确的画“√”,不正确的画“×”。
( ) 1. How much is the apples?
( ) 2. He's wearing a blue pants.
( ) 3. Whose gloves are these?
( ) 4. Are you ready to order?
( ) 5. I'll take ten bottle of water.
下列各图为何种胆道造影方式()
A.口服胆囊造影
B.静脉胆道造影
C.经皮肝穿刺胆道造影(PTC)
D.内镜逆行胰胆管造影(ERCP)
E.磁共振胆胰管造影(MRCP)