皮皮学，免费搜题
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【判断题】
图中原和管线应采用细实线表示 设计管线应采用粗实线表示 规划管线应采用虚线表示A.
正确
B.
错误
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】— I called you yesterday evening, but no one answered. — I ______in my bedroom at that time.
A.
read
B.
was reading
C.
am reading
【简答题】调查几个重要铁路枢纽，就可以了解我国铁路货运量的基本情况和问题，这种调查属于（ ）。
【单选题】— I called you yesterday evening, but no one answered. — I ______in my bedroom at that time.
A.
read
B.
was reading
C.
am reading
D.
reads
【单选题】--I called you yesterday morning ,but no one answered. --Oh, I in my garden.
A.
watered the flowers
B.
am watering the flowers
C.
was watering the flowers
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