热力试验员对热力实验室的设备、()、工作质量负责。
A、实验过程
B、实验结果
C、运行人员
D、人身安全
参考答案:D
固定权数计算的算术加权平均指数中的W与pq的口径()。
A.范围可能不一致,时期也可能不一致
B.范围会一致,时期也会一致
C.范围会一致,时期会不一致
D.范围不会一致,时期会一致
Directions: You got sick just two weeks before the final examination and were sent to hospital. One doctor treated you very well and you recovered soon. Write a letter of appreciation to the doctor (Ms. Green).
You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. Do not write the address. (10 points)