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【单选题】
"列车速度为140 km/h,作业人员下道避车的安全距离是( )。"
A.
不小于500m
B.
不小于800m
C.
不小于1400m
D.
不小于2000m
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【多选题】招标投标价格估算的基本方法有( )。
A.
成本分析法
B.
参数估算法
C.
市场价格法
D.
投资收益法
【单选题】My sister suggested that I_____accept the invitation.
A.
could
B.
must
C.
should
D.
might
【单选题】Linux多线程应用编程中,下列哪种情况会导致pthread_rwlock_wrlock成功执行并返回
A.
互斥量解锁成功
B.
当前没有任何线程申请了读写锁
C.
当前只有线程申请了读锁
D.
当前已有线程申请了写锁
【单选题】My sister suggested that I ______ the invitation
A.
accepted
B.
could, accept
C.
had accept
D.
accept
【简答题】My sister suggested that I____ the invitation.A. accepted B. could accept C. had accept D. A. accept
【单选题】Cockpit windows may be _______ with a sun shield. Most cockpit winds which can be opened when the aircraft is on the ground.
A.
equipped
B.
familiar
C.
staffed
D.
fit
【单选题】词汇与结构 Cockpit windows may be equipped with a sun _____.
A.
watch
B.
shine
C.
shield
D.
coating
【单选题】My sister suggested that l ______accept the invitation.
A.
could
B.
must
C.
should
D.
might
【单选题】My mother suggested that not only ______ study hard myself but also _____help my sister. [     ]
A.
I should; I should
B.
should I; should I
C.
should I; I should
D.
I should; should I
【判断题】驾驶机动车在这样的路段要注意观察,随时避让横过道路的动物。
A.
正确
B.
错误
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