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【多选题】
枝插根据操作时间不同,分为( )A.
休眠期扦插
B.
春季扦插
C.
生长期扦插
D.
夏季扦插
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皮皮学刷刷变学霸
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【简答题】某建筑场地方格网、地面标高如图,格边长a=20m。泄水坡度ix =2‰,iy=3‰,不考虑土的可松性的影响,确定场地的挖方、填方总量。
【简答题】某建筑场地方格网、地面标高如图,方格边长a=20m,计算场地的初步设计标高?
【单选题】The old hostess stood ______ for a moment when she saw a beggar appear before her suddenly.
A.
surprising
B.
to surprise
C.
surprised
D.
having surprised
【单选题】Reading comprehension: Make the best choice according to Text B. Why did the hostess ask the three old men to come in and have something to eat?
A.
Because they were old.
B.
Because they wanted to have a talk with the family.
C.
Because the hostess thought they must be hungry.
D.
Because they were important to the family.
【单选题】对于状态函数的描述,下列说法中哪个是不恰当的?( )
A.
状态函数是状态的单值函数
B.
状态函数的改变值只取决于始、终态,与变化途径无关
C.
状态函数的简单组合(加减乘除)必然也是状态函数
D.
状态函数的微分是全微分
【简答题】【例】某建筑场地方格网、地面标高如图,格边长a=20m。泄水坡度ix =2‰,iy=3‰,不考虑土的可松性的影响,确定方格各角点的设计标高。
【单选题】A hostess or host in China will apportion the best parts of the dishes to guests
A.
A hostess or host in China will urge guests to eat more.
B.
A hostess or host in China will select tasty morsels for their guests to show their hospitality.
C.
A hostess or host in China will devede the dishes into different parts according to the different number of guests.
D.
A hostess or host in China will choose the best dishes for their guests.
【单选题】Why did the bus hostess go to another bus?
A.
To compare experience with the hostess on that bus.
B.
To get some orders.
C.
To find if there were some vacant seats.
D.
To fetch some more egg-salad sandwiches.
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