题目

 完形填空强化训练(18) Smiling is the best way of making friends. When I was thirteen  1   old, my father found a job in the city. So my family moved there. I also came to a   2   school near where we live. My old school was far away. At first, I did not know anyone in my class. I was very lonely 3   I was afraid to make friends with my classmates. I  4   talk to anyone about my problem, and I didn’t want my parents to  5   me. Then one day, something good happened. I was sitting at my desk 6    as usual while my classmates were talking happily with each ot我国北方民居具有的特点是（ ）A．屋顶坡度较小B．屋顶坡度较大C．墙体较薄D．墙体较厚