具有正常轴向松脂道的树种有()。A.松属 B.云杉属 C.油杉属 D.铁杉属

题型:多项选择题

问题:

具有正常轴向松脂道的树种有()。

A.松属

B.云杉属

C.油杉属

D.铁杉属

考点:材料科学木材木材题库
题型:多项选择题

根据所给汉语提示,写出空白处各单词的正确形式。每空限填一词。

     Yesterday afternoon, when I was on my way home, it began to rain. I  1______ (感觉) worried, because

I didn't 2______ (带) my umbrella. My hair and my clothes were all wet. When I went 3______ (经过) a

bank, I saw a boy 4______ (骑) a bike fast. Suddenly he 5______ (跌落) down. I ran to him at once. 6______ (幸运地), he was not badly hurt. I wanted to take him to the hospital. At that time, my parents brought some

warm clothes and a raincoat to me. They were 7______ (自豪的) of me, because I was so kind. Then we

took the boy to the hospital 8______ (一起). Soon, the boy's parents came and they thanked us again and again. When we got home, it was 9______ (已经) late. We were still happy because it's a 10______ (令人愉快的)

thing to help others.

题型:多项选择题

下列应当记入固定资产初始入账价值的有()。

A.购买价款

B.运杂费

C.安装成本

D.包装费

题型:多项选择题

下列哪项对鉴别积和聚无意义()

A.积属血,聚属气

B.积属脏病,聚属腑病

C.积的病程长,聚的病程短

D.积的病位在大腹,聚的病位在小腹

E.积为固定不移,聚为聚散无常

题型:多项选择题

综采工作面的安全质量标准化的规定是什么?

题型:多项选择题

综合布线系统采用模块化结构,按照每个模块的作用,可以把综合布线系统划分为哪6个子系统?

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