Mary is a girl. _______ is in Class 3, Grade 1.[ ]
A. He
B. She
C. It
D. You
答案:B
环氧树脂有哪些优点?在水工建筑上有何作用?
涩味药物与下列何种药物作用相似()
A.苦味
B.咸味
C.酸味
D.辛味
E.甘味