用下列单词的真确形式完成句子。

around, refuse，miss, magazine,  cool

小题1:We could ask her to help,but she ___________.

小题2:You look really ___________with these sunglasses.    

小题3:He enjoys reading books and__________when he is free.

小题4:Rita opened the door and found Dick walking __________outside.

小题5:I began to __________my family soon after I arrived in London.

在某一期间内，风电机组的实际发电量和理论发电量的比值，叫风力发电机组的（）。

A.容量系数

B.功率系数

C.可利用率

D.发电率