广州花市一年举行一次,时间为每年春节前()凌晨。
A、年廿八至年初一
B、年三十至年初二
C、年二十九至年初一
D、年二十九至年初二
参考答案:A
下列每句的画线部分中有一处错误,找出并改正。
( ) 1. I think the TV invented before the computer.
A B C
( ) 2. The battery-operated slippers are used for see in the dark.
( ) 3. The most annoyed invention is the alarm clock.
( ) 4. It gives people more time to work and to play every day.
( ) 5. You didn't have a lot of modern inventions.
粒细胞输注不良反应有()
A.寒战发热
B.肺部合并症
C.巨细胞病毒感染
D.移植物抗宿主病
E.同种免疫