【单选题】转向轮定位是指( )。
A.
转向节与转向轮之间安装时,二者保持一定的相对位置。
B.
转向节与前轴安装时,二者保持一定的相对位置。
C.
转向节、转向轮、前轴与车架之间安装时,保持一定的相对位置。
【单选题】Harriet is lost and her parents are really________her.
C.
busy with d. worried about
【单选题】就微分学与积分学的起源而言 , 下列说法正确的是 ( )
【单选题】Are you _____ in these _____story books.
A.
interested. interesting
B.
interested. interested.
C.
interesting. interested
D.
interesting. interesting
【单选题】Please __ your homework. [ ]
【简答题】A.interested B.worried C.to D.in
【单选题】Harriet is lost and her parents are really _______ her. [ ]
【单选题】B2B 1.0 时代以信息服务、广告服务、( )的时代已逐渐远去
【单选题】Everyone is in the subject. [ ]
B.
interested, interested
C.
interesting; interested
D.
interested; interesting