题目内容
(请给出正确答案)
[主观题]
Many deaf Americans have English as their first language.A.YB.NC.NG
Many deaf Americans have English as their first language.
A.Y
B.N
C.NG
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Many deaf Americans have English as their first language.
A.Y
B.N
C.NG
第1题
A.12
B.24
C.36
D.50
第2题
《游乐设施安全技术监察规程(试行)》规定:由乘客操作的电器开关应采用最高不大于()V的安全电压,如无法满足要求时必须采取必要的措施,以确保人身安全。
A.24
B.36
C.50
D.52
第7题
A.12
B.24
C.36
D.50
第9题
A.24
B.36
C.50
D.52
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