I（）(将在做实验) from three to five this afterno

A: Hello, Wang Lin. How beautiful your new bike is!

B: 小题1:                                .

A: Where is it made?

B: It is made in Shanghai.

A: I also want to buy one. 小题2:                      ?

B:In Minsheng Department Store. And there are many different colors. 小题3:          ?

A: I like green best.小题4:                             ?

B: About 150 yuan.

A: Mm… The price is OK. Well, would you like to go to the shop with me next Sunday?

B: 小题5:                                   .

下列哪项不是种子正常萌发的外界条件[ ]

A．一定的水分  

B．充足的空气      

C．胚完整且是活的  

D．适宜的温度

南越

铝盖灭菌采用臭氧合适？采用臭氧灭菌铝盖能否达到无菌要求？铝盖灭菌还可采用其他方法吗？（FL1-第12章）

消防员避火防护服是消防员进入火场，（）穿越火区或短时间在火焰区进行灭火战斗和抢险救援。

A.长时间

B.较长时间

C.短时间

D.来回