糖皮质激素的停药反应是（）。 A．严重精神障碍  B．消化道溃疡  C．骨质疏松

我国《城市房地产管理法》规定，房地产交易包括( )。

A．房地产转让

B．房屋租赁

C．房地产划拨

D．房地产抵押

E．房屋变更

语法填空（共10笑题；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受用括号中词语的正确形式填空，并将答案填在答题卡标号为31~40的相应位置上。

A young man,while traveling through a desert，csme across a spring of clear water.____31____water was sweet.He filled his leather container so that he could bring some back to an elder ____32____ had been his teacher .After a four-day journey, the young man____33___.(present) the water to the old man. His teacher took a deep drink, smiled____34____(warm), and thanked his student very much for the sweet water.The young man went home____35_____a happy heart.

After the student left, the teacher let __36___student taste the water. He spit it out, __37___(say) it was awful. Apparently, it was no longer fresh because of the old leather container. He asked his teacher,” Sir, the water was awful. Why did you pretend to like ___38____?”

The teacher replied,” You tasted the water. I tasted the gift. The water was simply the container for an act of kindness and love. Nothing could be ___39___ (sweet).”

We understand this lesson best ____40___ we receive gifts of love from children. Whether it is a cheap pipe on a diamond necklace, the proper response is appreciation. We love the idea within the gift rather than the thing.

关于肾癌CT增强扫描的描述，错误的是（）

A.有助于明确病变存在

B.有助于确定病变范围

C.有助于与其他占位病变鉴别

D.有助于发现肾静脉和腔静脉癌栓

E.皮质期未发现明显病变可除外肿瘤

在树结构中，树根结点没有【 】。

论述侵权行为的民事责任与违约责任的区别。