第49题 A 考查动词。下文 inside the circular movement 旋转动作可知,溜冰者旋转快速向前。roll 的意思是 to turn over and over or round and round while remaining in the same place; to make sth do this(使)原地转圈,...
第64题考查定语从句.句意:有了这种新的酶,pet行业将变得真正的循环,这是该行业所有参与者的目标,特别是品牌所有者,pet生产商和我们整个文明的目标,"研究成员saleh jabarint博士说.本处是非限定性定语从句,先行词是the pet industry will become truly circular,空...
Another project was integrated with the chapter of cylinder and cone. Students were to make a cylindrical pen bag with specific measures. They need to calculate the circumference of circular base and height with certain scale ratio, sketch on ...