股票基金通常被认为是低风险的投资工具。 ( )

某公司2011年主营业务收入为9645万元，主营业务成本为8355万元，管理费用为870万元，财务费用为147万元，利润总额为273万元，所得税为75万元，净利润为198万元。该公司2011年12月31日的资产负债表如下：

根据以上资料，回答下列问题：

该公司的流动比率和速动比率分别为（）。

A．1.52，0.89

B．1.69，0.89

C．1.52，0.76

D．1.69，0.76

糙面内质网上附着的颗粒是（）。

A.tRNA

B.mRNA

C.核糖体

D.COPII包被蛋白

词汇运用 用括号内所给词的适当形式填空（每空不限一词10分）

小题1:It’s necessary to keep our air clean because the ___________(pollute) air does harm to our health.

小题2:The Ginkgo(银杏)Festival________________(hold) in Taixing every year.

小题3:She made lots of mistakes because of working on her homework  ___________ (care),

小题4:Mo Yan, the most famous writer in China, got the Nobel Prize in literature in his_________

(fifty) in 2012..

小题5:A sudden shout broke the __________(silent) at night and we all felt frightened.

小题6:The radio says it will be far __________(rain) tomorrow. I am afraid that we have to stay at home.

小题7:More and more attention has been paid to ____________(protect) the environment in China.

小题8:Help ___________(you) to some fresh fruit and vegetables, kids. They are good for health.

小题9:Teenagers should try to be good ____________(city) and devote much of their time to

developing our country.

小题10:It’s reported that China______________(develop) new kinds of rice so far.

固结灌浆检查孔压力试验，孔段合格率应在（）以上。

A、100%

B、90%

C、85%

D、70%

为方便LTE中PBCH的可靠接收，采用的主要机制为（）、（）和（）