按照GB/T261方法测定油品的闭口闪点时，结果低于正常值，原因可能是（）。
A、加热速度慢
B、火焰离液面高
C、火焰移动快
D、加入油量多
参考答案：D
根据句意或首字母填写，每空一词。
1. I ride my bike to the subway s_______, then I take the subway.
2. In China, bikes are the most p_______ means of transportation.
3. In my school, only a small n_______ of students take the subway to school.
4. I need to see my friend, Carrie. She is ill in the h_______.
5. Her son has a bad cough and it w_______her.
INMARSAT-C船站的启用实验（PVT或LINKTEST）（）
A.由所在洋区的NCS执行
B.由INMARSAT指定的NCS执行
C.由船籍国的岸站执行
D.由所在洋区NCS指定的岸站执行
