Match the term with the numbered part in the picture and write the term on the corresponding line below the picture. pulmonary valve bicuspid valve aortic valve tricuspid valve 1) 2) 3) 4)
【简答题】完形填空。 My life is always full of sadness and little joy. However, no matter (无论) what happens, I can always face it bravely. Last year, I couldn't believe the 1 that I could enter the only key high sc...