一建筑面积为2000平的单层厂房，其耐火等级为二级。该厂房内的房间隔墙，当采用难燃性

Today we   41  only three lessons in the morning. The first lesson is math. It  42  at eight o’clock and finishes at   43  to nine. It is in Room 101. But I don’t like math. Then the second lesson is my favorite   44  —music. It starts at nine o’clock. The   45  lesson in the morning is PE. It starts at ten   46  ten and finishes at five to eleven. We have our lunch at eleven thirty   47  the second floor of dining hall. We have two lessons   48  lunch. Art starts at two and at three o’clock we have a   49  lesson. We can learn a lot of knowledge about China. At about four in the afternoon   50  is over.

小题1:	A．have B．has C．having D．to have

小题2:	A．start B．starts C．is start D．starting

小题3:	A．fiveteen B．a quarter C．quarter D．quarters

小题4:	A．subjects B．a subject C．subject D．song

小题5:	A．last B．first C．one D．a

小题6:	A．by B．from C．in D．past

小题7:	A．in B．at C．on D．for

小题8:	A．after B．before C．at D．for

小题9:	A．math B．Chinese C．art D．music

小题10:

A．classes B．a school C．class D．schools