如图是真菌和细菌在物质循环中的作用示意图，请据图分析回答问题：
What do you like? I like balls.
Telephone: 3324545
Address: East Road
Open: Mon. to Fri. 7:30 am—2:30 pm and 5:00 pm—9:00 pm
Sat. 7:30am—2:00pm and 5:00 pm---9:30 pm
Sun. 11:00 am---2:00pm and 5:00 pm –9:30 pm
Telephone: 3351352
Address: Green Road
Open: Mon. to Fri. 9:00 am—5:00 pm(Tuesday free)
Sat. 9:00 am---6:00 pm
Telephone: 3374398
Address: Peace Road
Open: Mon. Wed. and Fri. 9:30 am—5:30 pm
Tues. Thurs. and Sat. 9:30 am ---9:00 pm
Telephone: 3368432
Address: West Road
Coffee shop: Mon. to Fri. 6:00 am
Sat. and Sun. 7:00 am
Mon. to Wed. to 10:00 pm
Thurs. to Sat. to 11:00 pm
Sun. to 9:00 pm.
古语道：“人要实，火要虚”．此话的意思是说：做人必须脚踏实地，事业才能有成；燃烧固体燃料需要架空，燃烧才能更旺．从燃烧的条件看，“火要虚”的实质是（ ）
下列关于哺乳动物胚胎发育和胚胎工程的叙述，错误的是
在下列各式的计算中，正确的是（ ）
