A．three quarters of the surfaceB．areC．thereD．if Nearly (three quarters of the surface) of the earth (are) covered with water, and (there) would be even less land (if) the polar icecaps were melt.

Tony was promoted after A: A．three months. B: B．six months. C: C．twelve months.

Mr. Robinson could start the new job in A: A．three weeks. B: B．six weeks. C: C．eight weeks.

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