We should express our love to our loved ones before their ears can still hear and their hearts can still

_____and made happier, not after they are gone. [ ]

A. be thrilled    

B. excite    

C. thrill    

D. be excited

谷类食品保留哪部分容易引起食物的变质（）。

A.胚

B.胚乳

C.谷皮

D.吸收层

E.糊粉层