In C program, all variables must be(70)before use, usually at the beginning of the function before any(71)statements.

In C program, all variables must be (1) before use, usually at the beginning of the function before any (2) statements.

In C program, all variables must be declared before(52), usually at the(53) of the function before any executable statements.

●In C program，all variables must be (70) before use，usually at the beginning of the function before any (71) statements.

Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.

To maintain a telephone conversation over the Internet. The voice packets must arrive at their destination in ()

The nexttrain to Beijing is ________ to arrive at 9 a.m.

Repairing damage to the hull at or above the waterline reduces the threat of（）.

The （） news is that the delegation will arrive at 6∶30 this afternoon.

The carrier has，before and at the beginning of the voyage，to（）due diligence to make the ship seaworthy.

●In C program，all variables must be (70) before use，usually at the beginning of the function before any (71) statements.statedwritedillustrateddeclared(71)

The ball _____ two or three times before rolling down the slope.