一般说来，使医患之间信托-契约关系能够得到理想体现的是（） A.双方冲突型 B.

若P(A+B)=P(A)+P(B)=1，则事件A与B的关系是（ ）

A．互斥不对立     B．对立不互斥      C．互斥且对立      D．以上答案都不对

Directions: Complete the following passage by filling in each blank with one word that best fits the context.

Job hunting has always been a headache for college graduates. Though many graduates are employed right after graduation, some are   48 . Most serious of all, some still have no idea  49    to go working even a long time after graduation.

The reasons   50  this phenomenon are various. On the one hand, a few years ago colleges and universities enrolled so many students in popular majors, such as economy, finance and so on   51    the number of graduates is greater than the need in the market. On the other hand, most graduates would rather stay in large cities without suitable jobs to do   52  go to the country.

I believe the problem can be solved   53  both colleges and students take measures. First, they should research the market and develop special skills to suit   54  needs. Second, students’ attitude towards employment should be changed. They should go to some   55  cities and the countryside. There they can also give full play to their professional knowledge. In a word, if we pay much attention, the problem can be solved.

2009年11月15日—18日，美国总统奥巴马对中国进行了国事访问，中美合作进入新时代，这表明[ ]

A、中美之间已经没有利益冲突

B、和平与发展是当今时代的主题

C、我国不再是促进各国共同发展的重要力量

D、我国面临的挑战不复存在

建筑安装工程直接费中的人工费包括（）。

A．因气候影响的停工工资

B．生产工人工资性补贴

C．生产工人学习期间的丁资

D．因业主修改设计影响的停工工资

E．因电力部门连续停电超过8小时的停工工资

在模具调试正常后的实际生产时，也经常出现型材的截面尺寸的超差，这是因为挤出中物料流经机头模具、定型模具是一个动态的过程。