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【简答题】
(6分)如图所示是医院常用的药瓶和注射器，请你据图回答： ⑴含有金属材料的是 (写一种即可，下同)，属于有机合成材料是 。 ⑵注射器洗净后可以用于家庭小实验，可以代替 仪器使用。 ⑶钢针一般用不锈钢制造，主要是由于其不容易生锈，请你写出生活中防止铁制品生锈的方法（一条即可） 。 ⑷铝的金属活性比，请写出铝放入硫酸亚铁溶液中反应的化学方程式 。
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【单选题】偏心荷载作用下基底压力的计算（g已知基底面积（见图3.1.2.1）3m×2m，基底中心处的偏心力矩M=147kN·m，上部结构传来的相应于荷载效应标准组合时作用于基础底面的竖向力值为490kN，则基底压力为（）kPa。（）
A.
155.17、8.17
B.
130.67、32.67
C.
163.33、0
D.
141.76、30.31
【简答题】A government committee has concluded that investment company fees should be disclosed to s each quarter and has proposed new legislation to require this. Currently, the legal requirement is to r...
【单选题】That investment has little growth _________.
A.
potential
B.
potentially
C.
potentiality
D.
potentials
【单选题】Tom Winter says that investment in staff by Thorntec ______ .
A.
has reached the right level
B.
should be increased
C.
should equal the amount put into machinery
【单选题】Brain Rice says that investment in staff by EBS
A.
has reached tile right level.
B.
should be increased.
C.
should equal the amount put into machinery.
【简答题】The historical perspective shows that the level of capital investment per work has nothing to do with ______.
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