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【单选题】
A: Yellow River. This is Port Radio. Visibility is expected to decrease in one hour. You must navigate with caution. Over.B: Port Radio. This is Yellow River. I’ll navigate with caution. Over.Q: What is expected in one hour?A.
Visibility is expected to increase in one hour.
B.
Wind is expected to decrease in one hour.
C.
Visibility is expected to decrease in one hour.
D.
Wind is expected to increase in one hour.
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【简答题】通常室外台阶的踏步高度为 ,踏步宽度为 。
【简答题】尿液形成过程中都经过哪些结构
【单选题】室外台阶的踏步高一般为( ) mm ,踏步宽为( ) mm 。
A.
100 ~ 150 , 300 ~ 400
B.
100 ~ 200 , 300 ~ 400
C.
100 ~ 200 , 250 ~ 350
D.
100 ~ 150 , 250 ~ 350
【单选题】室外台阶踏步高为( ),踏步宽为( )。
A.
120~150mm，300~350mm
B.
300~350mm，120~180mm
C.
100~150mm，300~400mm
D.
120~180mm，300~350mm
参考解析：
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