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【单选题】
基本坡口形式主要有以下几种:I形坡口、V形坡、单边∨形坡口、( )、J形坡口。A.
X形坡口
B.
H形坡口
C.
U形坡口
D.
Y形坡口
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举一反三
【简答题】在用表格整理数据时，我们通常用______法来记录数据．
【简答题】吃饭时，我们通常用（ ）手端碗，（ ）手拿筷子。
【单选题】听力原文： We can agree with primitive man that food is a basic need, but we differ from him in our food wants because of the wide variety of food we have available compared with him we have a wider choice...
A.
Food is no longer a basic need for us. while it was for primitive people.
B.
We eat a wide variety of food.
C.
We no longer eat fruit that primitive people ever ate.
D.
We eat more food than primitive people did.
【简答题】对工人的称呼我们通常用_称呼,对不知道职称和姓名的人我们通常用_称呼。
【单选题】Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed
A.
which
B.
since
C.
because
D.
because of
【简答题】指南针中，我们通常用哪个字母表示南?
【简答题】写字时，我们通常用（ ）手拿钢笔。
【单选题】下列有关交换的说法哪个是正确的？（ ）
A.
人们要想获得所需要的产品，必须通过交换
B.
交换是一个结果而不是一个过程
C.
交换也就是交易的另一种说法
D.
交换是人获得自己所需要的某种产品的一种方式
【单选题】听力原文： We can agree with primitive man that food is a basic need, but we differ from him in our food wants because of the wide variety of food we have available compared with him we have a wider choice...
A.
Food is no longer a basic need for us, while it was for primitive people.
B.
We eat a wide variety of food.
C.
We no longer eat fruit that primitive people ever ate.
D.
We eat more food than primitive people do.
【单选题】听力原文： We can agree with primitive man that food is a basic need, but we differ from him in our food wants because of the wide variety of food we have available compared with him we have a wider choice...
A.
Food is no longer a basic need for us, while it was for primitive people.
B.
We eat a wide variety of food.
C.
We no longer eat fruit that primitive people ever ate.
D.
We eat more food than primitive people did.
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