【单选题】下图是蚕豆种子的外形和结构图。下列叙述正确的是 [ ]
【单选题】— Would you like ________ with us tonight? — Yes, but I have to work with my boss.
【简答题】如图是蚕豆种子的外形和结构示意图,请据图回答问题. (1)蚕豆种子由[A]种皮和[H]______组成,[H]由[D]______、[E]胚轴、[F]______、[G]子叶组成. (2)在蚕豆种子的剖面上滴一滴碘液,被染成______色是子叶,说明子叶的主要成分是淀粉.
【简答题】蚕豆的种子由()和胚构成。胚包括()、()和子叶。
【单选题】—I'll go on a picnic with my classmates tomorrow. —________! [ ]
【简答题】请据图回答: (1)蚕豆种子的胚是由图中序号______ 组成.胚是由______发育成的 (2)菜豆种子和玉米种子结构上的相同点是都有______. (3)向玉米种子剖面上滴碘液,变成蓝色部分是[______]______. (4)我们食用的豆油来自图中的[______]______. (5)农民在适宜季节播种时,为使苗全苗壮,从种子自身条件来看应采取的措施是______.
【单选题】A: Susan, this is my boyfriend Sam. B: ______. C: Nice to meet you, too.
A.
You may only have one.
D.
Oh, really? Nice to meet you.
【单选题】如图是蚕豆种子的外形和结构图.下列叙述正确的是( )