皮皮学，免费搜题
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搜题
【单选题】
地面点的空间位置是由( )确定的。A.
坐标和高程
B.
距离和角度
C.
角度和高程
D.
方位角
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Our teacher told us _______ in class .
A.
listened carefully
B.
to listen carefully
C.
listened careful
D.
to listen careful
【简答题】钢筋混凝土梁内的钢筋有纵向受力钢筋、弯起钢筋、箍筋、架立钢筋和( )。
【单选题】My mother was cooking while I____the radio.
A.
listened to
B.
have listened to
C.
was listening to
【单选题】They ________ carefully, but they didn’t ________ anything.
A.
listened; listen
B.
listened; hear
C.
heard; listen
D.
heard; hear
【单选题】They _____ the music. They say it is very wonderful. [ ]
A.
listened to
B.
have listened to
C.
are listening to
D.
listen to
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