GPS卫星导航系统是通过测量()来进行定位的。
A.多普勒移求距离差的方法
B.用户到卫星的距离之和的方法
C.卫星通过时的仰角
D.用户到卫星的距离的方法
参考答案:D
You are always telling me I am lazy. Look at your room. What a mess it is!_____.
A.The day has eyes, the night has ears
B.The great thieves punish the little ones
C.That is like the pot calling the kettle black
D.When one will not, two cannot quarrel
葛根黄芩黄连汤的主治病证是()
A.湿热痢疾
B.热毒痢疾
C.热结旁流
D.虚寒血痢
E.协热下利