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【单选题】
鸡“干眼病”的病因是()A.
维生素E缺乏
B.
维生素A缺乏
C.
维生素D缺乏
D.
钙缺乏
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【简答题】Alice: Could you tell us how to ___ ___ sadness? Mary: I always talk with my friend. _____ (happy) can bring us good health. It's n_____ to feel tired after work. We must ___ ___ Lei Feng. After figh...
【简答题】You shouldn't spend so much time watching _____________ ( 卡通片 ).
【单选题】If the thief applies for a credit card in your name, you ______.
A.
shouldn't bother it at all
B.
had better pay for your carelessness
C.
should get a report from the police
D.
have to spend much effort to tackle it
【单选题】We shouldn't spend too much time on computer games. It's bad for your eyes.
A.
I agree with you.
B.
That's all right.
C.
Enjoy your time.
【单选题】某公司计划建设网络系统,有两台服务器,安装windows server 2003操作系统;40台工作站,安装windows xp。则服务器的许可协议应选何种模式较合理( )。
A.
每服务器模式
B.
每客户模式
C.
管理本地或远程计算机
D.
忽略该选项
【简答题】用所给单词的适当形式填空。 1. 'Animal Helers'is an ____ (organized) to help disabled people. 2. There are many patients at the (doctor) 3. You shouldn't spend too much time ____ (visit) your friends. 4. It's fun (...
【单选题】某公司计划建设网络系统,有两台服务器,安装wi1dowS挺rver2003操作系统40台工作站,安装windowsxp则服务器的许可协议应选何种模式较合理()
A.
.每服务器模式
B.
每客户模式
C.
.混合模式
D.
.忽略该选项
【单选题】某公司计划建设网络系统,有两台服务器,安装windowsserver2003操作系统;40台工作站,安装windowsxp则服务器的许可协议应选何种模式较合理()
A.
每服务器模式
B.
每客户模式
C.
混合模式
D.
忽略该选项
【单选题】以下对红细胞的描述，哪一项是错误的
A.
因无细胞器，所以 无能量供应
B.
成熟红细胞无细胞器也无细胞核
C.
红细胞有一定弹性和形态可变性
D.
血浆渗透压降低时，可导致细胞肿胀或破裂
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