蓝宝石在散射光下或油槽中颜色在棱线及棱线交接部位加深，这颗蓝宝石是（）处理的．

下列公式正确的是（）。

A.净认购金额=认购金额／（1+认购费率）

B.净认购金额=认购金额／（1-认购费率）

C.认购费用=净认购金额／认购费率

D.认购份额=（净认购金额+认购利息）／基金份额面值

14世纪的欧洲，很多人认为世界是一片广阔的陆地，尽头是万丈深渊。证明了这种认识是错误的是（   ）

A．新航路的开辟

B．《 * * 党宣言》的发表

C．工业革命的开始

D．拿破仑帝国的建立

In every cultivated language, there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words（1）which we become acquainted in daily conversation, which we（2）,that is to say, from the（3） of our own family and from our familiar associates, and（4） we should know and use （5 ）we could not read or write. They （6） the common things of life, and are the stock in trade of all who （7） the language. Such words may be called“popular”, since they belong to the people （8） and are not the exclusive （9） of a limited class. On the other hand, our language （10） a multitude of words which are comparatively （11） used in ordinary conversation. Their meanings are known to every educated person, but there is little （12） to use them at home or in the market-place. Our （13） acquaintance with them comes not from our mother's （14） or from the talk of our school-mates, （15） from books that we read, lectures that we （16） ,or the more （17）conversation of highly educated speakers who are discussing some particular （18） n a style appropriately elevated above the habitual（19） f everyday life. Such words are called“learned”, and the （20） between them and the“popular”words is of great importance to a right understanding of linguistic process.

请在11处填上正确答案（）

A.seldom

B.much

C.never

D.often

说明：36～50题，这部分试题，你将听到几段简要的对话或讲话。每段话之后，你将听到若干个问题，请你在四个书面答案中选择惟一恰当的答案。

A．多年没见

B．曾是同事

C．爱好相同

D．关系很好

若DCS系统停电会出现（）。

A.DCS操作站电脑失电

B.在操作站无法调整操作参数

C.如果工程师站停电，会引起装置内阀门动作

D.如果工程师站没有停电，装置内的阀门将维持原状