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【单选题】
世贸组织《原产地规则协议》协调的是______。
A.
除关税优惠之外的原产地规则
B.
普惠制的原产地规则
C.
优惠性商业政策措施的原产地规则
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举一反三
【单选题】Jeff tried to wrestle him to the ground, but Weise stubbornly held his own.
A.
致命地
B.
顽固地,倔强地
C.
可靠的
D.
唤醒
【单选题】What is the relationship between Jeff May and Jeff Weise?
A.
Jeff May and Jeff Weise were brothers.
B.
Jeff May and Jeff Weise shared a room.
C.
Jeff May and Jeff Weise both had a crush on Alicia White.
D.
Jeff May knew Jeff Weise but they never talked.
【单选题】在电阻性负载单相桥式半控整流电路中,直接输入220伏50Hz交流电压,RL=5Ω。问当导通角为90°时,输出电压( )V和输出电流的平均值是( )A?
A.
150  20
B.
200  19.8
C.
99   19.8
D.
100   23
【简答题】在法律部门的相互关系上,民法是普通法或基本法,商法是 。
【判断题】因为缺少替代品,对食盐的需求就是缺乏弹性的。( )
A.
正确
B.
错误
【单选题】What is the relationship between Jeff May and Jeff Weise?
A.
They were brothers.
B.
They shared a room.
C.
Both of them had a crush on Alicia White.
D.
Jeff May knew Jeff Weise but they never talked.
【简答题】何谓原核生物,原核生物的本质特征是什么?原核生物与真核生物有何区别?
【单选题】地球上出现需氧型原核生物、自养型原核生物、真核生物的先后顺序依次为
A.
需氧型原核生物、自养型原核生物、真核生物
B.
自养型原核生物、需氧型原核生物、真核生物
C.
需氧型原核生物、真核生物、自养型原核生物
D.
自养型原核生物、真核生物、需氧型原核生物
【单选题】Jeff tried to keep his composure and answer every question calmly when by the policeman.
A.
inquiring
B.
inquired
C.
had inquired
D.
been inquired
【单选题】In Everyday Hero: Jeff May, what is the relationship between Jeff May and Jeff Weise?
A.
They were brothers.
B.
They shared a room.
C.
Both of them had a crush on Alicia White.
D.
Jeff May knew Jeff Weise but they never talked.
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