水电厂的技术供水主要作用是冷却、润滑、传递能量（）
参考答案：对
— Do you like the weather in Tianjin, Johnson?
— _______, but I have been here for three years and I am used to it. [ ]
A. Not really.
B. Of course.
C. No problem.
D. Never mind.
主要用于连续输入若干大写字母的锁定键是( )。
A．A1tB．Caps LockC．TabD．Ctrl
