When the Eiffel Tower was erected in 1889, at the world exposition, it was not very popular and

came close to______down. [ ]

A. be torn      

B. tear          

C. tearing    

D. being torn

小学英语教学的重点是（）。

A.组织课堂教学活动

B.培养学生自学英语的能力

C.帮助学生模仿

D.培养学生用英语进行交流的能力和兴趣