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【简答题】
好氧堆肥的微生物过程包括 、 和 。
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
【多选题】驻调度所(驻站)联络员、现场防护人员须做到:
A.
具备基本的行车知识
B.
熟悉有关防护及通讯工具的使用方法及各种防护信号的显示方法
C.
作业期间坚守岗位,思想集中
D.
不得影响其他线路上列车正常运行。
【单选题】What do NOT the students do in the art appreciation classes?
A.
They explain their understanding about the pieces of art.
B.
They make a decision after they have thought about all the information got from the works of art.
C.
They recognize the good qualities of works of art.
D.
They draw some pictures and make a sale in the class.
【单选题】Lots of people attend continuing education classes because ______.
A.
the classes will help them feel better about themselves
B.
there are many courses they can choose from
C.
they can also go to church at the same time
D.
learning is something they are interested in
【单选题】Art classes help children's powers of __________
A.
observation
B.
observed
C.
observations
D.
observates
【多选题】驻调度所（驻站）联络员、现场防护人员须做到（ ）。
A.
具备基本的行车知识，熟悉有关行车防护知识，还应熟悉行车室有关设备显示
B.
熟悉有关防护及通讯工具的使用方法及各种防护信号的显示方法，每次出工前应检查通讯工具是否良好，行车防护用品携带齐全、有效
C.
作业期间坚守岗位，思想集中，及时、准确、清晰地传递行车信息和信号，作业未销记前，不得撤离工作岗位
D.
不得影响其他线路上列车正常运行
【简答题】Art classes help develop children's powers of _________ (observe).
【简答题】Timetables are important. They help you know what your classes are and when your classes are. They help you get to your classes on time. A class timetable has the names and time of all classes. A good...
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