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【单选题】
根据《防抬船舶污染海洋环境管理条例》规定,组织事故调査处理的机关或者海事管理机构根据事故调查处理的需要,可以暂扣相应的证书、文书、资料;必要时,可以:1禁止船舶驶离港口;2、责令停航、改航;3、停止作业;4、暂扣船舶A.
①~③
B.
①、②、④
C.
①~④
D.
①、③、④
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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】-----What are Joe and Jeff doing? -----Joe is _______ a film and Jeff is ______.
A.
seeing , runing
B.
seeing , running
C.
sees, runs
D.
see, run
【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
【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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