题干
So far, more than 1300 hotels in Europe, Africa, Middle East region have committed to _________ in the event, with many more ________ to join the effort.
A：participating; expecting
B：participate; to expect
C：participating; expected
D：participate; to be expected
答案(点此获取答案解析）
C
的图象F沿
平移至F′,所得F′的函数解析式为
,则