种子中起保护作用的是（ ）
A．胚乳
B．子叶
C．种皮
D．果皮
答案：C
﹣|﹣8|=( )，﹣4﹣3=( )
— Why do you like English, Alan?
— Because it's _____. [ ]
A. boring
B. interesting
C. difficult
D. cute
