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【判断题】
胃毒剂是药剂通过害虫的口器和消化系统进入体内,使害虫中毒死亡。A.
正确
B.
错误
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反馈参考答案：
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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