【单选题】Section A Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A, B, C and ...
【单选题】常绿乔木,树冠塔形,有长枝和短枝;叶针形,在长枝上螺旋状着生,在短枝上簇生。形态描述的树种是 。