有些昆虫的发育经过 、、 、 四个时期，并且幼虫与成体的形态结构和生活习性差异很

脑干一侧病变出现病侧脑神经瘫及对侧肢体瘫，称为____________；也可出现病侧面部及对侧肢体感觉障碍，称为_____________。

You are a project manager for a small project. Your project was budgeted for ￥500,000 over a six-week period. As of today, you’ve spent ￥260,000 of your budget to complete work that you originally expected to cost ￥280,000. According to your schedule，you should have spent ￥300,000 by this point. Based on these circumstances, your project could be best described as ______.

A．ahead of schedule

B．behind schedule

C．on schedule

D．having not enough information provided

有关肾图b段的描述错误的是（）。

A.为示踪剂的聚集段

B.是a段之后曲线缓慢上升直到达高峰的线段

C.上升的斜率和高度与示踪剂剂量有关

D.上升的斜率和高度与肾有效血浆流量有关

E.上升的斜率和高度与肾小管上皮细胞的分泌功能有关

香肠中发色剂主要是（）的作用。

A、淀粉

B、脂肪

C、纤维

D、肌肉

晚期的重商主义理论上被称为（）。

A.重金主义

B.贸币差额论

C.贵金属差额论

D.贸易差额论