我国的灾害性天气主要有      、      、      、     等，影响广东最主要的灾害性天气是。

A client undergoes a total hip replacement. Which statement made by the client would indicate to the nurse that the client requires further teaching（）

A. "I’ll need to keep several pillows between my legs at night. "
B. "I need to remember not to cross my legs. It’s such a habit. "
C. "The occupational therapist is showing me how to use a ’sock puller’ to help me get dressed. "
D. "I don’t know if I’ll be able to get off that low toilet seat at home by myself. "