39 The doctor warned the parents that the new born baby cannot _____ hard food, such as crackers.
(A) digest
(B) differ
(C) diffuse
(D) discover

(A) digest 消化/整理
(B) differ 不同/相異/不同意/爭吵/意見相左
(C) diffuse 四散/散開/冗長
(D) discover 發現/碰見/撞見/獲得知識 

differ  v.與…不同，跟…不一樣，有區別

【to be not like something or someone else, either physically or in another way】

The twins look alike, but they differ in temperament.

這對雙胞胎長得相像，但性格卻不同。

diffuse  v.

1》（使）擴散；（使）傳播；（使）散佈

【to (cause something to) spread in many directions】

Television is a powerful means of diffusing knowledge.

電視是傳播知識的有力工具。

2》（使氣體或液體）彌漫，擴散，滲透

【to (cause a gas or liquid to) spread through or into a surrounding substance by mixing with it】

The drop of red dye diffused slowly in the water.

那滴紅色染料在水中慢慢擴散開來。