高含蛋白质的食品腐败往往会引起人畜食物中毒，简述基原因。
参考答案：
蛋白质降解后，氨基酸脱羧生成具有强烈生理作用的胺类。
下列词语中，字形和加点字的读音都正确的一项是( )
A．窜改待价而估倜傥(tì)短小精悍(hàn)
B．开销锱铢必较狙击(jū)城下之盟(méng)
C．莽莽平铺直序倭寇(wō)怆然涕下(chuàng)
D．热忱毛骨悚然媚骨(méi)奴颜婢膝(bì)
—We really ______ the umbrellas. Look! It has cleared up.
—Well, we might as well take one with us, just in case. [ ]
A. don't need to bring
B. needn't have brought
C. didn't need to bring
D. need to bring
