班级管理中必须加强班主任的个体教育技能，学生个体教育包括（）。A.问题学生教育 B.

540是______的20倍．

关于叶酸的描述，下列哪项是正确的（）

A.不耐热

B.在酸性环境中不稳定

C.存在于绿叶蔬菜、水果和动物内脏等禽品中

D.每天需要约100μg

E.以上都是

Look! There are some books on tile floor. Can you ______? [ ]

A. pick it up

B. pick up it

C. pick them up

D. pick up them

Small as it is, the ant is ______ any other animal on the earth.[ ]

A. much as a creature as    

B. as much a creature as

C. a creature as much as    

D. as much as a creature

La rencontre a eu lieu dans ________

A．un climat amical

B．une ambiance amicale

C．C un environnement amical

D．un lieu amical