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【单选题】
下列有关动物维持需要的说法,哪个是错误的?
A.
是不必要的损失,对动物生长没有意义
B.
是动物生产需要的基础
C.
降低维持需要,可提高动物生产效益
D.
用于维持生命活动的基本代谢过程
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【单选题】下列标识符中,不合法的用户标识符为( )
A.
abc123
B.
_11
C.
a_1
D.
ab#
【简答题】If the applicant wants to be an assistantship, what does she need to do? She needs to____________________.
【简答题】I’m glad we’ve come to _____ on price.
【单选题】下列醇与金属钠反应速率最慢的是
A.
CH 3 OH
B.
CH 3 CH 2 OH
C.
(CH 3 ) 2 CHOH
D.
(CH 3 ) 3 COH
【简答题】路由器与网桥的区别是什么?
【单选题】中国功夫历来强调习武者“眼观六路 , 耳听八方”和身体协调。“功夫之王” 李小龙曾坦诚地说 : “因为从小高度近视,所以我跟着叶问学习适合贴身格斗的咏春拳。我的两腿不一样长 , 因此左腿边踢、高踢 , 右腿近踢、矮踢,叶问总与对手正面相对 , 我则侧面迎着对手,就这样 , 我创立了截拳道。”由此可见 , 李小龙能够创立截拳道得益于 ( ) 1他敢于在实践中寻找新思路、确立新观念 2他在绝对不相...
A.
. ①②
B.
③④
C.
. ②③
D.
①④
【单选题】What does she need?
A.
some food
B.
some medicine
C.
a fan
【单选题】What does she need?
A.
some medicine
B.
some food
C.
a seat
【单选题】What does the woman suggest?
A.
She suggests that they need to work like their boss.
B.
She suggests that they need to have a radio broadcast.
C.
She suggests that they need to have some tea.
D.
She suggests that they need to rest for a while.
【单选题】What does she need?
A.
a fan
B.
some medicine
C.
some water
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