6、Money, jewels and important documents（文件）are not the only valuables placed in banks these days．____1____There're ten breast banks set up across the United States, where mothers can donate（捐赠）their extra milk for other women's babies．

Experts say breast milk is the best food for babies．The World Health Organization says it is the only food that babies should get during the first six months of life, in most cases．2     

Sometimes these premature babies（早产儿） must stay in hospital for many weeks．

____3____ Doctor James Cameron who treats newborns at Lutheran Children's Hospital in Fort Wayne, India says: "The fact is that there are so many different proteins and specialized sugars in the breast milk that the mom's able to make that help provide immunity（免疫）．It's very important for the health of newborns．

___4____ Donors must be willing to provide almost three liters（公升） of breast milk．They freeze the milk and take it to the station．There, employees warm the milk and mix it with other mothers' milk．Then, the milk is heated to kill bacterial（细菌）．After that, the technicians test samples of all the milk to make sure it is safe and healthful．The milk is re-frozen and sent to the main milk bank．The milk bank transports the milk to hospitals to feed premature or sick babies．To ensure the quality of the breast milk, donors must obey certain requirements，too．____5___

A．More mothers are willing to donate breast milk．

B．Donors are not permitted to smoke tobacco, use illegal drugs or drink too much alcohol

（酒精）．

C．The working process（程序） is strict．

D．Some mothers store their breast milk in banks．

E．Breast milk is almost like medicine．

F．Breast milk is babies' main food．

G．Breast milk is especially important for babies born too early．