下面的哪一项不是COSPAS/SARSAT系统组成的内容？（）
A、RCC
B、MCC
C、LUT
D、EPIRB
参考答案：A
Having noticed that she was followed by someone, she stopped and looked at the shop window, _____
to be enjoying the beautiful clothes. [ ]
A. preventing
B. pretending
C. permitting
D. persuading
爱立信基站可以运行、不会退服的温度范围为（）。
A.5—45℃
B.0—60℃
C.10—55℃
D.0—55℃
