水平夹角大于6°的斜洞衬砌定额应按平洞定额的人工、机械定额乘以系数( )执行。A．

读句子，完成作业。

向导一边走一边发出悲叹：“如果不是我们，这些海龟根本就不会受到伤害。”  

(1)“悲叹”的近义词是          ，但“悲叹”更突出了向导             的心情；“根本”的近义词是              

(2)海龟受到伤害的原因是  [ ]

     A．我们引来了许多食肉鸟。  

     B．我们违背了自然规律。  

     C．大量食肉鸟啄食海龟时，我们见死不救。

下列期权属于虚值期权的是（ ）。

A．对看涨期权而言，当市场价格高于协定价格时

B．对看跌期权而言，当市场价格低于协定价格时

C．对看跌期权而言，当市场价格高于协定价格时

D．对看涨期权而言，当市场价格低于协定价格时

语法填空(共10小题；每小题1. 5分，满分15分)

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答卷标号为3l-40的相应位置上。

A man, now old, went overseas 40 years ago. On his     31      ( depart ), the girl he loved gave him as a souvenir a heart-shaped knot made of knitting wool. He     32     ( hang ) it on his belt ever since.

Several years later he got married and had children. As time went by his sweetheart’s      __33___ ( look ) became dimmer and dimmer like a landscape picture    34     ( fade ) away gradually, and his homeland only appeared in his dreams. In the evening of his life he often looked at the knot and sighed.

One day his grandson caught sight of the knot and insisted on getting hold of it as a toy. The boy fondled ( 抚弄 ) and tried to unfold it. At last he did    35     trick and got it loose and open.

When it      36       ( spread ) out it resumed ( 重获 ) its form as a long thread, a very simple wool thread.      37    by the skillful hands of a beloved girl could the thread be knitted into such a complicated knot. Devoted love made so many simple things complex in the world.

Thus the old man was awoken to get a truth. Most of the grievances ( 抱怨 ), bitterness and hatred in life actually result from very small matters.      38      one is mindful of them, they become mental knots. But if one sees     39      the knot, it remains a simple thread or line, no matter     40      shape it assumes.

在PKI的构成模型中，其功能不包含在PKI中的机构是（）

A.CA

B.ORA

C.PAA

D.PMA

爆破片单独用作泄压装置的，爆破片和容器间截止阀应处于全开状态。（）