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【单选题】
某儿童玩耍时被金环蛇咬伤，该毒蛇的蛇毒主要作用的部位是A.
血管内皮细胞
B.
血细胞
C.
中枢神经和神经肌肉节点
D.
肌肉细胞
E.
骨骼
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反馈参考答案：
举一反三
【单选题】He ___ his leg when he __ in a football match against another school.
A.
broke, played
B.
was breaking, was playing
C.
broke , was playing
D.
was breaking, played
【简答题】我很抱歉地通知大家明日的课程已经取消由于暴风雪。
【单选题】After the five ,very little of the house _______standing .
A.
remained
B.
kept
C.
rested
D.
left
【简答题】The White House is open to the public ________. A) on weekdays only B) five days a week C) every other day D) on weekends only
【单选题】He had a serious car (accident) last week and (broke) his left leg because he got (drunk) and drove too (fastly).
A.
accident
B.
broke
C.
drunk
D.
fastly
【简答题】解不等式：x（x-3）＜3x（x+2）-2x 2 -3
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