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【单选题】
在同一草场，牛吃了草形成了牛的蛋白质长成牛，羊吃了草形成羊的蛋白质长成羊，这是由于羊的（）A.
染色体数不同
B.
消化能力不同
C.
蛋白质形成方式不同
D.
不同DNA控制合成不同的蛋白质
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【简答题】Section D 16.What did the speaker talk about last time? The _________________________________________ of an oral presentation. 17.What does the speaker want to talk about today?. The of a presentation...
【简答题】简述外源性抗原提呈细胞的种类。
【单选题】My mother likes to go on a picnic in the open and invites neighbors to make them feel like part of nature.
A.
我妈妈喜欢在室外聚会,邀请邻居们来参加,让他们感到自己是大自然的一部分。
B.
我妈妈喜欢在室外野餐,并且邀请邻居们来参加,让他们感到像在自己家里一样。
C.
我妈妈喜欢在室外野餐,邀请邻居们来参加,让他们感到自己是大自然的一部分。
【简答题】阅读理解 I often go shopping on Sundays. I go to the super market with my mother on Sunday morning in a car. My father likes fruit very much. We buy some red apples for him. My mother likes yellow bananas...
【简答题】阅读理解 I often go shopping on Sundays. I go to the super market with my mother on Sunday morning in a car. My father likes fruit very much. We buy some red apples for him. My mother likes yellow bananas...
【简答题】I often go shopping on Sundays. I go to the super market with my mother on Sunday morning in a car. My father likes fruit very much. We buy some red apples for him. My mother likes yellow bananas, but...
【简答题】The offset yield stress and the proportional limit stress are both used to characterize the beginning of nonlinear behavior in a tension test. Why is the offset method the beginning of nonlinear behav...
【单选题】Why is the man excited at the beginning of the conversation?
A.
He has done all his work.
B.
He can relax at the weekend.
C.
He will take some exercise.
D.
He is glad to see the woman.
【单选题】Why is the woman surprised at the beginning?
A.
The man is carrying some flowers.
B.
The man has spoiled his marriage anniversary.
C.
The man seems very excited about meeting his wife.
D.
The man is horsing around.
【单选题】My mother likes to go on a picnic in the open and invites neighbors to make them feel like part of nature.
A.
我妈妈喜欢邀请邻居们一起出去野餐。
B.
我妈妈喜欢和邻居们去大自然野餐。
C.
我妈妈喜欢在室外野餐，邀请邻居们来参加，让他们感到自己是大自然的一部分。
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