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搜题
【单选题】
农业社会化服务的最重要推动力是( )
A.
农业专业化
B.
农业规模化
C.
农业集约化
D.
农业区域化
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举一反三
【单选题】From the description in the passage, we learn that
A.
monkeys are also susceptible to HIV.
B.
ADS has killed 25 million people in the last 25 years.
C.
vaccine has been developed to prevent AIDS.
D.
AIDS can be cured by drug cocktails.
【单选题】From the text we can learn that .
A.
  the city of Urumqi has been officially built by Qing troops in 1763.
B.
  the city of Dihua has been  peacefully liberated by PLA soilders in 1949.
C.
  the province of Xinjiang was established in 1884 and the city of Urumqi was named Dihua as the capital city.
D.
all of the above
【单选题】必须带宾语的词(即粘宾动词)是
A.
做、写、买、卖
B.
休息、玩耍、睡觉、交际
C.
来、去、走、跑
D.
姓、加以、给以、从事
【单选题】设某传输码序列为0-20+2+2000-2-2-2,该传输码属于()。
A.
相关码
B.
差分码
C.
双相码
D.
绝对码
【单选题】设某传输码序列为0-20+2+2000-2-2-2,则该传输码属于
A.
相关码
B.
差分码
C.
双相码
D.
绝对码
【单选题】From the beginning of the passage, we learn that
A.
Virginius had no faith in Chivalry.
B.
Virginius was taught to esteem women.
C.
Victoria was born of an aristocrat family.
D.
Victoria's father was a planter.
【单选题】必须带宾语的动词(即粘宾动词)是
A.
做、写、买、卖
B.
休息、玩耍、睡觉、交际
C.
来、去、走、跑
D.
姓、加以、给以、从事
【单选题】设某传输码序列为+1-100-1+100+1-1000-1+100-1,该传输码属于()。
A.
AMI码
B.
CMI码
C.
D.
RZ码
【单选题】设某传输码序列为+1-10000+100-1+100-1+100-1,该传输码属于()。
A.
RZ码
B.
HDB3码
C.
CMI码
D.
AMI码
【单选题】From the conversation, we learn that
A.
the man has been to New Mexico many times.
B.
the woman and her sister live in New Mexico.
C.
Albuquerque is far away from the mountains.
D.
near Albuquerque there are high mountains,
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