【简答题】A) still late B) too late C) so late D) past
【简答题】螺纹升角ψ增大,联接的自锁性__,传动效率__;牙型角α增大,则联接的自锁性__,传动效率__。 (供选项:A.提高 B.不变 C.降低)
【单选题】外阴阴道假丝酵母菌阴道炎病人的健康教育,不妥的是
【单选题】螺纹升角ψ增大,则联接的自锁性降低,传动的效率提高;牙型角a增大,则联接的自锁性(),传动的效率降低。
【单选题】His parents told him not ________. [ ]
【简答题】A.DNA B.SNA C.the OSI D.the ISO
【单选题】'Late (late, late, late!)nights are the norm' (Para. 5)is closest in meaning to '______.'
A.
She works more efficiently at night
B.
She often reads story books at night
C.
She usually works late into the night
D.
She normally mails packages at night
【判断题】螺纹升角增大,则联接的自锁性提高,传动效率降低。
【简答题】A.DNA B.SNA C.the OSI D.the ISO