Which of the following italicized phrase is INCORRECT?
A.The city is now ten times its original sizE.
B.I wish I had two times his strength.
C.The seller asked for double the usual pricE.
D.They come here four times every year.

单项选择题如果一份肯德鸡的边际效用为3，一件金利来衬衫的边际效用为20，当二者的价格分别为15元和150元时，消费者的消费行为应该是（ ）。 A. 增加衬衫或减少肯德鸡的消费 B. 增加肯德鸡或减少衬衫的消费 C. 同时增加或减少二者的消费 D. 对二者的消费量不变

未分类题In the sentence 'The manager interviewed Jim himself in the morning', the italicized work is used to modify______.A.the objectB.the verbC.the subjectD.the prepositional phrase

未分类题John is up to his eyes in work at the moment. The underlined word means______.A.very excitedB.very busyC.very tiredD.very efficient

未分类题'Look at those pretty girls' skirts' is ______, because it is not clear whether the girls or the skirts are 'pretty'.A.ambiguousB.hiddenC.indirectD.indistinct

单项选择题图示简支梁受到集中力作用（l = a+b），下列结论错误的是（ ）。