【单选题】The author mentions that the front dial of the Antikythera mechanism contained a smaller, adjustable dial (line 30) most probably in order to
A.
illustrate the complexity of the mechanism
B.
describe exactly how the mechanism worked
C.
emphasize the importance of leap years in the study of astronomy
D.
argue that the mechanism was used only for very specific tasks
E.
allow readers to imagine what the device looked like
【判断题】艮卦六四以上诸卦围绕人的活动谈,六五又从言语上提出“艮其辅,言有序”的要求。()
【单选题】衡量儿童生长发育的三把“尺”不包括( )。
【单选题】dial
A.
to put the receiver down and end a call
B.
a phone that is not attached to the wall (you can walk cell phone short distances with it at home or in the garden)
C.
to press the buttons on the phone
D.
to put the receiver down and end a call
【单选题】First dial “9”,then dial the number,and this will _____for city calls.