人体不同组织对超声能量的吸收依次为()
A.神经>肌肉>脂肪
B.肌肉>神经>脂肪
C.脂肪=神经=肌肉
D.肌肉=脂肪>神经
E.脂肪>肌肉>神经
参考答案:A
被子植物名称中的“被子”是花的哪一部分发育来的( )
A.子房
B.花瓣
C.花柱
D.胚珠
The project team members should also be aware of one of the fundamental tenets of modem quality management:quality is planned, designed and built in, not (74) .
A.check-in
B.inspected in
C.executed in
D.look-in