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【简答题】
数字控制是用 信号进行控制的一种方法。
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皮皮学刷刷变学霸
举一反三
【单选题】Do you know that the first textbooks written for teaching English as a foreign language ____ in the 16th century?
A.
came up
B.
came along
C.
came out
D.
came about
【单选题】The first textbooks _____ for teaching English as a foreign language came out in the 16th century.
A.
being heard
B.
to be written
C.
being written
D.
written
【单选题】The first textbooks written for teaching English as a foreign language _____ in the 16th century. [ ]
A.
came about
B.
came out
C.
came along
D.
came up
【单选题】The first textbooks for teaching English as a foreign1anguage came out in the 16th centry ．
A.
． have written
B.
． to be written
C.
． being written
D.
． written
【单选题】下列不属于“咏物诗”的诗句是( )。
A.
吾家洗砚池头树，个个花开淡墨痕。
B.
碧玉妆成一树高，万条垂下绿丝绦。
C.
大雪压青松，青松挺且直。
D.
迟日江山丽，春风花草香。
【单选题】The first textbooks ______ for teaching English as a foreign language came out in the 16th century.
A.
to be written
B.
written
C.
being written
D.
having written
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