【单选题】关于下颌第一恒磨牙下列哪项是错误的
C.
有时可分为三根,即远中根分为远中颊根及远中舌根
D.
患牙牢固时,可先用牙挺以颊舌侧骨板为支点挺松后再拔除
【单选题】According to the passage, which of the following is true of the Rosetta stone?
A.
It was found by scholars trying to decode ancient languages.
B.
It contains two versions of hieroglyphic script.
C.
Several of its inscriptions were decoded within a few months of its discovery.
D.
Most of its inscriptions have still not been decoded.
【单选题】The plane will at three o’clock in the afternoon.
【单选题】The plane will take off at 6:00 pm, so I have to be at the airport 4:00 pm at the latest.
【单选题】The plane will take off .
【单选题】关于下颌第一恒磨牙下列哪项是错误的
C.
有时可分为三根,即远中根分为远中颊根及远中舌根
D.
患牙牢固时,可先用牙挺以颊舌侧骨板为支点挺松后再拔除
【单选题】According to the paragraph 6, which of the following is true of carotene?
A.
They can be found in green vegetables.
B.
They are found in all animal livers and dairy products.
C.
They convert into vitamin A once consumed.
D.
They are chemical substances human body needs in order to survive.
【简答题】The plane will
in five minutes.