老人流行性脑脊髓膜炎特点有（） A.病程长，并发症多、预后差、病死率高 B.暴发型发

小题1:My classmates are going to skate in the afternoon. (改为否定句)

My classmates ________ ________ to skate in the afternoon.

小题2: Mr. Zhao goes fishing every weekend. (改为反意疑问句)

Mr. Zhao goes fishing every weekend, ________ ________?

小题3:Bruce has art lessons twice a week. (对划线部分提问)

________ ________ does Bruce have art lessons?

小题4:I spend half an hour doing morning exercises every day. (改为同义句)

It ________ me half an hour to ________ morning exercises every day.

小题5:请等待我们的好消息!(完成译句)

Please ________ ________ our good news!

关于空间数据坐标变换，下列说法正确的是：（）。

A.旋转变换只产生图形位置和方向的变动，新图形中的图元点是按原图形对应图元点围绕相对坐标原点旋转而得

B.仿射变换同时考虑x和Y方向上的变形，因此纠正后的坐标数据在不同方向上的长度比将发生变化

C.比例变换和旋转变换都可通过做矩阵乘法实现

D.平行投影与透视投影的区别在于投影线是否与投影平面垂直

为什么改大直径排汽喉会令发动机头段性能减低？

下列哪项不属于集群技术种类中的分类（）

A.高可用集群HighAvailableCluster

B.负载均衡集群LoadBalanceCluster

C.多通道集群Multi-PathCluster

C.网格计算GridComputing

The United States is well known for its network of major highways designed to help a driver get from one place to another in the shortest possible time.Although these wide modem roads are generally (1) and well maintained, with few sharp curves and straight sections, a direct route is not always the most (2) one. Large highways often pass (3) scenic areas and interesting small towns. Furthermore, these highways generally (4) large urban centers, which means that they become crowded with heavy traffic during rush hours, (5) the" fast, direct" route becomes a very slow route.However,there is almost always another route to take if you are not in a hurry. Not far from the (6) new" superhighways", there are often older, (7) heavily traveled roads which go through the countrvside. (8) of these are good two-lane roads ; others are uneven roads curving through the country. These secondary routes may go up steep slopes, along high cliffs, or down frightening hillside to towns (9) in deep valleys. Through these less direct routes, longer and slower, they generally go to places (10) the air is clean and scenery is beautiful, and the driver may have a chance to get a fresh, clean view of the world.

第（4）空应选择（）

A．lead

B．connect

C．collect

D．communicate