下面赋值语句不正确的是()。 A: floatf=11.1； B: doubled=5.3E12； C: doubled=3.14159； D: doubled=3.14D；

The average income of the people in this small town is ______ in the past three years. A: [A] more than doubled B: [B] more doubled than C: [C] much than doubled D: [D] much doubled than

Since I began to work here three years ago, this factory ______ in size. A: [A] had doubled B: [B] has doubled C: [C] doubled

By the end of this century, the population of the world ______ , and so may the population of the small country. A: will be doubled B: may be double C: will have to be doubled D: may have been doubled

They _____ the price of house in the past ten years. A: doubled B: have doubled C: double D: are doubling

If the charge on a parallel-plate capacitor is doubled: A: the capacitance is halved B: the capacitance is doubled C: the electric field is halved D: the electric field is doubled E: the surface charge density is not changed on either plate

If the tax on a good is doubled, the deadweight loss of the tax

If the coefficient of equivalent length of the long column is doubled, the critical pressure of the column will be ( ). A: Doubled B: Increased by 4 times C: One half of the original D: A quarter of the original

The _______ production of engines in our factory has doubled this year.

The Louisiana Purchase more than doubled the size of America.