皮皮学，免费搜题
登录
搜题
【单选题】
2007年4月14日我国成功发射第一颗( ) 导航卫星,正式开始独立自主建设我国第二导航系统。A.
北斗一号
B.
斗二号
C.
北斗三号
D.
北斗四号
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We suspect ed that he was lost, even before we were told.
A.
How much longer we'll have enough energy to stay on here is anyone's guess --- perhaps for quite a while, perhaps not.
B.
We've invested about $35,000 in it, and we could double that if we sold today.
C.
I know we've found just what we were looking for.
D.
He assume d that the train would be on time.
【简答题】One day a lawyer’s wife fell ill, and he went to get a doctor. The doctor willingly came to see the woman and to do what he could for her, but before he went into the house, he made a short stop. He k...
相关题目：