T细胞亚群分离时,可同时进行阳性分选和阴性分选的方法有()
A.E花环沉降法
B.尼龙毛柱分离法
C.亲和板结合分离法有
D.免疫磁珠分离法
E.流式细胞术分离法
参考答案:C, D
阅读短文,判断正( T)误 ( F)。
A Shopping Trip
One morning Mr and Mrs Green go shopping in their car. In the shop they sec a lot of clothes.
Mrs Green likes them. So she buys a shirt for their son, a skirt for their daughter, and a sweater
for Mr Green. She buys a blouse for herself, too.
At about twelve o'clock, they go home, but they lose their way. Mr Green drives over to an old
man and asks, "Where am I?" " You're in your car, sir. " he answers.
( )1. Mr and Mrs Green go shopping in the afternoon.
( )2. Mrs Green buys a sweater for herself.
( )3. At eleven o'clock, they lose their way.
( )4. The old man is humorous (幽默的) .
2012年5月,国土资源部发布了《闲置土地处置办法》,自()起施行。
A.2012年7月1日
B.2012年6月1日
C.2013年1月1日
D.2012年12月1日