在植物组织培养中，外植体脱分化后，再分化形成完整植株的途径有两条：一是 (____) 途径，二是(____) 途径。

‌空间任意力系经简化后，得到一个力和一个力偶，这个力的大小和方向________该力系的主矢。‏A．不等于 B...

单项选择题‌空间任意力系经简化后，得到一个力和一个力偶，这个力的大小和方向________该力系的主矢。‏

Our company culture is ________make us successful in cr...

未知题型Our company culture is ________make us successful in creating a friendly and exciting environment.
A.where
B.how
C.what
D.why

I had to wait for anther two months to be able to have ...

未知题型I had to wait for anther two months to be able to have the car________ .
A.fixing
B.fix
C.to fix
D.fixed