根据果树的生态适应性把果树分为()、()、()、()四类。
参考答案:寒带果树、温带果树、亚热带果树、热带果树
—Dinner is ready. Help yourself!
—Wow! It delicious. Could you please tell me how to cook it? [ ]
A. tastes
B. looks
C. sounds
D. feels
细菌性痢疾出现里急后重说明病变在()
A.升结肠
B.降结肠
C.乙状结肠
D.回肠末端
E.直肠