【单选题】某牛场 35号公牛,它的 18头女儿第一胎平均产奶量为 4453公斤,而女儿的母亲第一胎平均产奶量为 4033公斤;另一头 36号公牛, 2头女儿第一胎平均产奶量为 4036公斤,它们母亲的产奶量为 4200公斤。试问应该选择哪一号公牛留种( )
【单选题】Resources are a fundamental _______ in the development of tourism.
【单选题】In _____ Marx began to learn Russian.
【单选题】Karl Marx began to study Russian in ___.
【单选题】In ______ Marx began to learn Russian.
【简答题】In this part, you are asked to write an essay according to the outline given. Your composition should be about 200 words. Remember to write clearly and logically. After writing, please check your comp...
【单选题】What problem is not mentioned in the text to students studying EAP?
A.
They can’t understand lectures.
B.
They don’t take notes quickly enough.
C.
They are unfamiliar with the systems in the new country.
D.
They are not interested in the subject.
【单选题】Marx began to learn Russian by himself in _____.
【单选题】某牛场35号公牛,它的18头女儿第一胎平均产奶量为4453公斤,而女儿的母亲第一胎平均产奶量为4033公斤;另一头36号公牛,13头女儿第一胎平均产奶量为4036公斤,它们母亲的产奶量为4200公斤。试问应该选择哪一号公牛留种()
【单选题】In _____ Marx began to learn Russian.