招标采购项目计划实施时，项目经理的任命由( )审批。
A．经营部经理 B．总经理C．行政总监 D．总工程师
参考答案：B
Half of the students in our class _____ interested in reading English stories. [ ]
A. is
B. are
C. have
D. has
5kg糖平均分成4堆，每堆是这些糖的______，每堆有糖______kg．
