正常婴幼儿全身骨髓显像的特点是()。
A.中央骨髓显影
B.四肢骨髓显影
C.尺骨、桡骨、胫骨和腓骨部分骨髓显影
D.肱骨和股骨下段骨髓不显影
E.A+B
参考答案:E
There _________ a 100-metre final at midnight. Would you like to join us to watch it?
A.will have
B.will go to be
C.is going to have
D.is going to be
正午时刻的太阳高度角公式()