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【单选题】
新烟碱类杀虫剂主要作用于A.
乙酰胆碱
B.
烟碱乙酰胆碱受体
C.
乙酰胆碱酯酶
D.
羧酸酯酶
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【单选题】下列哪一种疾病的变应原是半抗原A、系统性红斑狼疮 B、农民肺C、青霉素治疗后发生溶血性贫血 D、风湿性关节炎E、对移植肾的排斥反应
A.
A
B.
B
C.
C
D.
D
E.
E
【简答题】单句改错 Believe it or not! My father attended the school at the age of 10.
【简答题】句型转换。 1. My mother said to me, 'Don't go alone at night.' (改为简单句) My mother told me _____ _____ go alone at night. 2. The Browns came to China in 1997 .(对划线部分提问) _____ _____ the Browns to China? 3. Mr...
【简答题】单句改错 1. To my delighted, I passed the examination. 2. Hearing the news, he feels very delighting. 3. It is delight for me to help those poor children. 4. They were delighted at that the conference had...
【简答题】单句改错。 1. There are four peoples in my family.________ 2. Are those your friend?________ 3. That is his father friend.________ 4. This isn’t her bag. It’s I bag.________ 5. ---What are these?________ -...
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