俄罗斯国土面积广大,但不能出口粮食,其限制性因素是[ ]
A、热量条件
B、水分条件
C、地形条件
D、人口条件
答案:A
根据首字母及汉语提示,完成下列单词的拼写。使句意明确,语言通顺。
小题1:Lily f____________ (倒满) the cup with coffee and passed it to her father.
小题2:Kate got several t___________ (票) to the football match from her friend.
小题3:Lucy and Lily are twins, so they are s____________ (相似的) in many ways.
小题4:It is raining h____________ (大的). You’d better take an umbrella with you.
小题5:You’d better think it over carefully before you make a d____________ (决定).
第二乳磨牙最适宜进行根管治疗的年龄是()
A.2~4岁
B.3~8岁
C.4~5岁
D.5~9岁
E.6~10岁