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【单选题】
Th1细胞激活Mφ可通过A.
诱生IFN-γ激活Mφ
B.
CD40L与Mφ表面的CD40分子结合向Mφ提供激活信号
C.
与Mφ递呈的特异性抗原结合可诱导Mφ激活
D.
上列A和B两项
E.
上列A、B和C三项
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【单选题】Even when the film star wears sunglasses or beards,people _______ him．
A.
realize
B.
recover
C.
request
D.
recognize
【简答题】Did Steve Jobs kill the music industry? That’s the question on many people’s lips since rock star Jon Bon Jovi accused the Apple boss of personally destroying the music industry.Bon Jovi centers his c...
【简答题】消费者收入可分为 和 。其中, 的多少是消费者需求变化的最活跃因素,这部分收入越多,消费者购买力就越强,医药企业营销的机会也就越多。
【单选题】– Do you know________? -- Only one year old.
A.
when does he start golfing
B.
when did he star golfing
C.
when he starts golfing
D.
when he started golfing
【单选题】—When did she become a movie star? —_____ [ ]
A.
She was 3 years old.
B.
When she was 3 years old.
C.
For 3 years.
D.
She was a movie star.
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