Against the wall on the opposite side _____________.
A. there stand two cupboards
B. two cupboards stand there
C. there two caupboards stand
D. stand two cupboards
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It is usually cool here in summer, but in Los Angelas it ______________.
A. is rarely
B. rarely is
C. hardly is
D. scarcely is
"That English Fellow's songs are very poetic.""___________ the words to the songs, but he also composes the music."
A. He also writes
B. Although he writes
C. Not only does he write
D. It is not all that he writes
对于一种商品,消费者想要有的数量都已有了,这时,( )。
A. 边际效用最大;
B. 边际效用为零;
C. 总效用为零;
D. 总效用最大。
已知消费者的收入是100元,商品X的价格是10元,商品Y的价格是3元。假定该消费者打算购买7单位X和10单位Y,这时商品X和Y的边际效用分别是60和18。如果要获得最大效用,他应该( )。
A. 停止购买;
B. 增购X,减少Y的购买量;
C. 减少X的购买量,增购Y;
D. 同事增购X和Y。