喜温植物
参考答案:有些植物在45℃以上就会受到伤害,称为适度喜温植物,如陆生高等植物和某些隐花植物;有些植物则在65~100℃才受害,称为极度喜温植物.如蓝绿藻、真菌和细菌等。
整个子宫内膜基底层再生新的功能层正常所需的时间约为()
A.2周
B.3周
C.4周
D.5周
E.6周
An analyst does research about capital budgeting. If the introduction of a new product is expected to decrease sales of an existing product, which of the following is most accurate to describe the change in the existing product's cash flows()
A. Externality.
B. Sunk cost.
C. Incremental cash flow.