听对话,回答问题。 1．How many students are there in Jim's class? A．Twenty--two. B．Forty. C．Forty-two. 2．Where's the reading room? A．In front of the teaching building. B．Behind the teaching building. C．On the left of the teaching building. 3．Whose sweater is it? A．It's Nick's. B．It's Jim's. C．It's Jill's. 4．What is their favorite animal? A                      B                          C 5．--Why doesn't Daming want to eat any ice cream? --Because _______. A．It's not hot. B．It's not nice. C．It's unhealthy.