飞行器GPS信号丢失时采取哪些紧急措施来保证飞行器安全？

The final score of the basketball match was 93-94. We were only ________ beaten.

A．nearly

B．slightly

C．narrowly

D．lightly

—What do your classmates talk about most in your school now? 

—________  might be "eight honours and eight disgraces (八荣八耻)". [ ]

A. They

B. They're

C. It

D. It's

T细胞分泌的细胞因子中，在成熟的B细胞分化为浆细胞的过程中起重要作用的是IL-6。

造成（）人以下重伤，构成一般B类事故。

A.10

B.5

C.3

D.2

影响线数量和长度的主要因素有哪些？