Directions:Having finished his end-of-term

题型:问答题

问题:

Directions:

Having finished his end-of-term exams, a university student has gone straight home without saying good bye to his roommate.

Write a letter explaining the situation to the latter, and invite him home during the vacation.

You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. You do not need to write the address.

考点:普通考研07理学基因工程概论、群体与进化遗传分析(一)
题型:问答题

科学探测表明,月球上存在丰富的氧、硅、铝、铁等资源.设想人类开发月球,不断把月球上的矿藏搬运到地球上,假定经过长期的开采后月球与地球仍可看作均匀球体,月球仍沿开采前的轨道运行,则与开采前相比地球与月球间的万有引力将____________________.(填“不变”“变大”或“变小”)

题型:问答题

黄山以奇松、怪石、云海、温泉“四绝”闻名于世。( )

题型:问答题

关于X线摄影检查的优点,错误的叙述是()

A.对功能观察优于透视

B.成象清晰

C.对比度良好

D.有客观记录

E.密度、厚度差异小的部位能显示

题型:问答题

证券公司经营证券经纪业务的,应当按托管的客户交易结算资金总额的()计算经纪业务风险资本准备。

A.1%

B.2%

C.3%

D.4%

题型:问答题

一般情况下只有审批后的采购计划才能作为物资采购的依据。

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