前列腺分泌物中有两种物质的浓度高出血浆浓度的500倍以上，它们是A．葡萄糖和果糖B．

Today is Sunday. Brother and I  1   at home. We  2   to carry two boxes into the room.  My brother’s box is  3   , but  4   is big. We put   5   on the table. We can see   6    clothes in the boxes, but my  7     aren’t in them.  I  8    find my socks. Brother can   9   me to find them. They’re under the bed. I must look  10   my things.

小题1:	A．be B．am C．is D．are

小题2:	A．look B．want C．know D．meet

小题3:	A．small B．big C．heavy D．light

小题4:	A．I B．my C．mine D．His

小题5:	A．it B．they C．them D．him

小题6:	A．an B．a C．some D．the

小题7:	A．books B．pens C．socks D．desks

小题8:	A．can’t B．not C．no D．isn’t

小题9:	A．find B．help C．see D．meet

小题10:

A．in B．at C．on D．after