int one = 10 ; int two = 20 ; int three = 0 ; three=one+two; System.out.println("three = one + two ==> "+three); three+=one; System.out.println("three += one ==> "+three); three-=one; System.out.println("three -= one ==> "+three); three*=one; System.out.println("three *= one ==> "+three); three/=one; System.out.println("three /= one ==> "+three); three%=one; System.out.println("three %= one ==> "+three);

请选出小数0.33的正确读法 A: zero three three B: zero point thirty three C: zero point three three D: point three three

____ of the land ____ covered with water. A: Three fourth; is B: Three fourth; are C: Three fourths; is D: Three fourths; are

There are _______ students in our school. A: three thousands B: three thousand of C: three thousand D: three thousands of

________ of the earth ________ covered by sea. A: Three fourth; is B: Three fourths; is C: Three fourth; are D: Three fourths; are

____of the students in Class Three____girls. A: Threefifths… is B: Threefifths… are C: Threefifth… is D: Threefifthes… are

They cleaned their classroom ____ . A: three hours B: on three hours C: three hours ago D: three hours later

I want ________ pencils, please! A: three of dozen B: three dozen C: three dozens D: three dozens of

There are( ) on my computer. A: three paper B: three pieces of papers C: three pieces of paper D: three papers

The secretary will contact you _____. A: for three days B: in three days C: about three days D: at three days