【单选题】听力原文:M: Your house looks nice. What did you do to it? W: I had it painted. What did the woman do?
B.
She ordered a painting for the house.
C.
She hired someone to paint the house.
【单选题】右图是玉米种子纵切示意图,能为玉米种子萌发提供所需营养物质的结构是
【简答题】图中,在最右边方框内的的阿拉伯数字1、2、3等表示该箱盒的接线 ,细线表示 。
【简答题】玉米()片叶时是玉米需肥量最大的时期,也是玉米追肥的最佳时期。
【简答题】油菜和玉米是都我市重要的经济作物。图一和图二分别是油菜花和果实结构图,图三是玉米种子及其萌发过程示意图。请分析回答:(6分) 图一 图二 图三 (1)“儿童急走追黄蝶,飞入菜花无处寻”,这说明生物与环境的关系是 。 (2)图二是由图一的 (填数字序号)发育而成的。 (3)图三中,玉米种子萌发时所需营养物质由 (填数字序号)提供。发育成玉米...
【单选题】What did Selous do with regard to the development pf Zimbabwe's gold industry?
B.
He took records of it.
C.
He provided instruments for it.
D.
He negotiated with local leaders about it.
【单选题】如图为菜豆种子和玉米种子的结构,根据图示下列哪一项叙述是正确的?( )
A.
甲是玉米种子结构图,将浸泡好的玉米种子从中间纵向切开,然后在剖面上滴上一滴碘液,观察发现被染成蓝色的部位是结构4
B.
乙是菜豆种子结构图,种子萌发时最先突破种皮的是结构2
C.
菜豆和玉米种子中结构1、2、3构成胚,胚是新一代植物体的幼体
D.
菜豆种子中结构6是种皮,玉米种子中结构6是果皮和种皮
【单选题】图是玉米种子纵切图,能为玉米种子萌发提供营养的结构是
【单选题】听力原文:M: Tom's house looks nice. What did he do to it? W: He had it painted. Q: What did Tom do? (6)
A.
He ordered a painting for the house.
B.
He hired someone to paint the house.