在压强不太大(与大气压相比)、温度不太低(与室温相比)的条件下,各种气体都遵守玻意耳定律、盖吕萨克定律和查理定律。
A. 对
B. 错
To declare an int variable x with initial value 200, you write
A. int x = 200.0;
B. int x = 200l;
C. int x = 200L;
D. int x = 200;
Which of the following is incorrect?
A. double x = 1.0;
B. float x = 1.0;
C. long x = 9;
D. int x = 9;
Which of the following assignment statements is illegal?
A. int t = 23;
B. short s = 10;
C. float f = -34;
D. float f = 34.0;