雨天行车,由于附着系数较小,应适当(),以保证行车安全。
A、降低车速
B、提高车速
C、禁止行车
参考答案:A
根据句意及首字母填空。
1. Joe has a b______, his name is Tom.
2. They are from Japan, they are ______, they speak______.
3. One w______, one dream.
4. Mr Brown is from Paris, he speaks F______.
5. Are there a______ flowers?
通信导航监视运行保障单位申请导航设备投产开放许可,应当向()提出申请。
A.民航局空管局
B.国家政府
C.中国民用航空总局
D.民航地区管理局