下列词语中加线的字，每对读音都不相同的一组是（） A．华裔/逸事筵席 / 涎水牌

Section C

Directions: Complete the following passage by using ONE word for each blank that best fits the context.

When you take a walk in any of the cities in the West, you often see a lot of people walking dogs.   48   is still true that a dog is the    49   useful and faithful animal in the world,    50   the reason why people keep a dog has changed. In the old days people used to train dogs to protect themselves against animal attacks. And later they came to realize that a dog was not    51    useful for protection but willing to obey his master. But now people in the city need not protect themselves against attacks of animals.    52  

do they keep dogs, then? Some people keep dogs to protect themselves from robbery. But the most important reason is    53   companionship. A dog is his best friend for

   54   child when he has no friends to play with. For young couples, a dog is their child when they have    55   children. For old couples, a dog is also their child when their real children have grown up.

王村要挖一条980米的水渠，第一个星期挖了455米，余下的要在第二个星期完成，平均每天要挖多少米？

下列经脉循行交接不正确的是：

A．手太阴肺经与手阳明大肠经在示指端交接

B．手少阴心经与手太阳小肠经在小指端交接

C．手厥阴心包经与手少阳三焦经在中指交接

D．手阳明大肠经与足阳明胃经在鼻旁交接

E．手少阳三焦经与足少阳胆经在目外眦交接

在矿泉水瓶的同一高度不同位置扎l2个小孔，往瓶内加入适量的水，从瓶口正上方往下看，可以看到水向四周喷出的距离都相同，如图所示，此现象表明：________________________________．若此时盖上瓶盖并拧紧，水就不再喷出，这是由于瓶内气压____________（选填“大于”、“等于”或“小于”）瓶外大气压．

下面哪种传感器传送的是模拟量（）。

A、湿度传感器

B、温度开关

C、门禁传感器

D、烟雾传感器