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【多选题】
关于五种基本运输方式的特点,以下说法正确的是( ) 。A.
飞机运价最昂贵
B.
轮船运价最便宜
C.
管道运输速度最快
D.
汽车运量最多
E.
火车运输最灵活
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【单选题】My family has _____________ members. They are my parents, my brother and me. [ ]
A.
three
B.
four
C.
five
【单选题】My brother_________ Beijing many times. He __________ Nanjing for a week.
A.
has been to, has gone to
B.
has been to, has been in
C.
has gone to , has been in
D.
has gone to, has been in
【单选题】对心直动尖顶推杆盘形凸轮机构的推程压力角超过许用压力角许用值时,可采用 措施来解决。
A.
增大基圆半径
B.
改用滚子推杆
C.
改变凸轮转向
D.
改为偏置直动尖顶推杆
【简答题】成人骨头共有208块，分为头颅骨、躯干骨、上肢骨、下肢骨四个部分。判断对错
【简答题】阅读理解，判断正(√)误(×)。 My family has four members. My dad, my mom, my brother and me. My dad is a baseball player. He is tall and strong. He likes computer s. My mom is a nurse. She has long hair and bi...
【单选题】My sister-in-law___________ my brother for ten years.
A.
married with
B.
has married
C.
has been married with
D.
has been married to
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