题目

如图，D是AB上一点，CE∥BD，CB∥ED，EA⊥BA于点A，若∠ABC=38°， 则∠AED=       ． 答案： 52° 解析：∵ EA⊥BA， ∴ ∠EAD=90°. ∵ CB∥ED，∠ABC=38°， ∴ ∠EDA=∠ABC=38°， ∴ ∠AED=180°∠EAD∠EDA=52°． ________ homework did we have to do that we had no time to take a rest． [　　] A．So much B．Too much C．Too little D．So little