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【单选题】
细菌性痢疾病理改变最显著的部位是( )A.
回肠末端
B.
盲肠
C.
直肠和乙状结肠
D.
升结肠
E.
降结肠
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皮皮学刷刷变学霸
举一反三
【判断题】To avoid hazards, there is a strong need for written rules, regulations and laws in cultures with high uncertainty avoidance.
A.
正确
B.
错误
【单选题】R、L、C并联电路处于谐振状态时，电容C两端的电压等于（）
A.
电源电压与电路品质因数Q的乘积
B.
电容器额定电压
C.
电源电压与电路品质因数Q的比值
D.
电源电压
【简答题】The reduction of the possible hazards in food ultimately depends on ________. A) the government B) the consumer C) the processor D) the grower
【单选题】What does the reporter suggest?
A.
The roads will stay clear.
B.
The drivers should avoid 7th Avenue.
C.
The drivers should take 5th Avenue.
D.
The roads are still congested.
【简答题】按规定画法,绘制螺纹的主、左两个视图,并进行标注。 (1)外螺纹大径M20,螺纹长度30,螺纹倒角C2.(螺杆画约40长) (2)内螺纹大径M18,螺纹长度22,钻孔深度30,螺纹倒角C2.(主视图全剖)
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