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【单选题】
下列网络属于广域网的是A.
校园网
B.
通过电信从长沙到北京的计算机网络
C.
两用户之间的对等网
D.
电脑游戏中的游戏网
手机使用
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反馈参考答案：
举一反三
【简答题】为什么光纤通信向长波长、单模传输方向发展?
【单选题】The teacher told him that he would have _____ if he______. [ ]
A.
better lives, work hard
B.
a better life, work ard
C.
better life, works hard
D.
a better life, worked hard
【单选题】More than one teacher told him it is important to learn English well if he abroad.
A.
had; wi l l go
B.
has; wants to go
C.
has; want to go
D.
have; shall go
【单选题】母猪难产,注射催产素后,产出仔猪软弱无力、可视粘膜发绀或苍白、呼吸极度微弱。对仔猪采取的首要措施是(2017 真题下110)
A.
擦干体表胎水,诱发呼吸反射
B.
擦干体表胎水,保温
C.
擦净鼻孔、口腔内的胎水,诱发呼吸反射
D.
立即进行人工呼吸
E.
腹腔注射葡萄糖溶液
【单选题】The teacher told the students that the earth_____round he sun.
A.
move
B.
moves
C.
moved
D.
had moved
【单选题】母猪难产,注射催产素后,产出仔猪软弱无力、可视粘膜发绀或苍白、呼吸极度微弱。与该病无关的因素是(2017 真题下111)
A.
阵缩与努责异常
B.
胎盘类型
C.
胎儿数目
D.
胎儿过大
E.
胎儿产出时间过长
【单选题】His teacher told him that he ____ translate the sentence word for word.
A.
needed not
B.
doesn’t need to
C.
didn’t need
D.
needn’t
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