问题
多项选择题
疟原虫在红细胞内进行裂体增殖后，（）及其代谢产物，对机体产生强烈的刺激
A、破坏红细胞
B、释放裂殖子
C、释放裂殖体
答案
参考答案：A, C
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疟原虫在红细胞内进行裂体增殖后，（）及其代谢产物，对机体产生强烈的刺激
A、破坏红细胞
B、释放裂殖子
C、释放裂殖体
参考答案：A, C
Two sons worked for their father on the family farm. For some years, the 16 brother had been given more 17 to do than the older one. The older brother couldn’t 18 why, so one day he asked his father the 19 why he always trusted (信任) his younger brother to do more work. The father said, "Go to the Kelly’s 20 nearby and see if they have any 21 to sell." The older brother soon 22 with the answer, "Yes, they have five ducks they can 23 to us." That father then said, "Good, now please ask them the 24 for the ducks." The son returned, "The ducks are ￡10 each." The father asked, "25 can they deliver (交付) the ducks?" The son returned, "They can deliver the ducks tomorrow." The father asked the older brother to 26 and watch. He then said to the younger brother, "Go to the Davidson’s Farm and see if they have any ducks for sale." The younger brother soon returned with the 27 , "Yes, they have 28 ducks for ￡10 each, 29 ten ducks for ￡8 each; and they can 30 them tomorrow —I asked them to deliver the five ducks 31 I told them not to in the next hour. We agreed that if I wanted the 32 five ducks I could buy them at ￡6 each." The father 33 the older son, who nodded his head. He now 34 why his brother was given more work. His younger brother was actually 35 at it than he was.
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