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【单选题】
有关肿瘤免疫的描述,错误的是A.
体液免疫起主要作用
B.
癌组织内大量淋巴细胞浸润是预后较好的指标
C.
恶性肿瘤可以破坏宿主的免疫功能
D.
免疫功能低下的患者容易发生恶性肿瘤
E.
艾滋病患者恶性肿瘤的发生率升高
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举一反三
【单选题】When I am in difficulty, I always ____ him for help. [ ]
A.
turn out
B.
turn over
C.
turn to
D.
turn on
【简答题】词汇运用 1. -Do you like __________(tomato)? -Yes, very much. 2. -Can he __________(turn) off the light? -Yes, he can. 3. It's half past seven now. Sandy __________(write) a letter to her friend. 4. -How ...
【单选题】However, there was nobody that I could ____ help.
A.
turn
B.
turn to
C.
turn for
D.
turn to for
【单选题】I want to watch TV. Please ________.
A.
turn it on
B.
turn on it
C.
turn it off
D.
turn off it
【单选题】I want to watch the news on TV. _____, please. [ ]
A.
Turn on it
B.
Turn it on
C.
Turn off it
D.
Turn it off
相关题目：
【单选题】However, there was nobody that I could ____ help.
A.
turn
B.
turn to
C.
turn for
D.
turn to for
参考解析：
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