皮皮学，免费搜题
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【判断题】
市政供热管网系统包括输送热媒的管道、管道附件、大型供热管网。A.
正确
B.
错误
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
【简答题】( )是编写教科书和进行教学工作的依据。( )是课程标准的具体化。
【单选题】The bus hit against a tree in the fog and __________ to the deep valley, with then passengers killed and twenty wounded.
A.
down did it roll
B.
down rolled it
C.
it down rolled
D.
down it rolled
【单选题】The bus hit against a tree in the fog and __________to the deep valley, with ten passengers killed and twenty wounded.
A.
down did it roll
B.
down rolled it
C.
down it rolled
D.
it down rolled
【单选题】The bus hit against a tree in the fog and _____ to the deep valley, with ten passengers killed and twenty more wounded.
A.
down did it roll
B.
down rolled it
C.
it down rolled
D.
down it rolled
【简答题】编写教科书和进行教学工作的依据是（）。
【单选题】The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.
A.
down did it roll
B.
down rolled it
C.
it down rolled
D.
down it rolled
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