交叉口设计车速为20~25km/h的次干路,其转角半径应为()m。
A.2~4
B.5~8
C.8~10
D.10~15
参考答案:C
解析:
交叉口转角半径见下表
I _____________ a teacher. She _____________ a nurse. They _____________ doctors. [ ]
A. am; is; is
B. am; is; are
C. is; am; are
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