以下各项不属于瘾疹特点的是（）。 A.皮肤上突然出现瘙痒性疹块 B.急性者短期发作后

炎热的夏天，庭院里常有些容器里储存了雨水，时间一长，你会发现里面常有一些上下翻动的小虫，它们是蚊子的幼虫，将来发育成蚊子，它们属于（　　）

A．昆虫类

B．环节动物

C．软体动物

D．水生动物

阅读理解。

     Not long ago, an airplane was flying over New Zealand. There was a television camera crew on board.

Suddenly, out in the night sky, a bright sphere came into view. Everyone on board saw it and everyone

thought, "UFO"-Unidentified Flying Object (不明飞行物). The camera crew went into action and started

filming. That week people all over the world saw the film of this mysterious light on their television screens.

What was it? Was it a spaceship full of visitors from another planet? The captain of the aeroplane and the

film crew believed it was. Other observers had many different explanation. Some said it was Venus. Others

said it was just a trick of light.

     An air traffic controller (机场导航员) also saw it on his radar screen. He thought that a flock of birds

was causing dots on his radar screen when the "UFO" appeared.

     Most astronomers now believe that what these people saw was almost certainly the planet Venus. At that

time of year it is very bright and easy to see. And from a more aeroplane it can appear to be moving fast. So

far there is no proof that UFOs or spaceships from other planets do exist. These years investigators of UFOs

here investigated thousands of sightings-or occasions when people said they saw a UFO. Ninety percent of

these turned out to have a simple explanation.

     However, it's a good idea to keep an open mind. Scientists in some countries are trying to persuade their

governments to help them study UFOs. And they are planning to co-operate internationally on reporting and

investigating sightings of UFOs.

     After all, it is quite possible that there is life out there in the universe. And if something is alive, it is quite

possible that it will come to visit us.

1. So far there is no proof that _____. [ ]

A. UFOs are just a trick of light

B. UFOs are aeroplanes from the planet Venus

C. there are UFOs or spaceships from outer space

D. other planets exist

2. Scientists in many countries _____. [ ]

A. have investigated that UFOs are spaceships from other planets

B. are helping their governments study UFOs

C. are planning to co-operate internationally in the study of UFOs

D. believe that there is certainly life on the other planets

3. Which one of the following statements is true according to the passage? [ ]

A. People didn't see the film of that mysterious light on their television screens.

B. These years investigators of UFOs have simply explained most of sightings-or occasions when people 

     said they saw a UFO.

C. Life out there in the universe does exist.

D. Even if there is life on the other planets it will not visit us.

4. In the last paragraph, "something" probably refers to _____. [ ]

A. a certain thing that scientists are studying

B. an imaginary man

C. an animal

D. intelligent life

每月有六至九天专门受理民事诉讼，当然农忙季节——即自四月一日到七月三十日——除外(在此期间，凡涉及户婚、田土及各类轻微之事的争讼概不受理"．州县官在每月特定的这几天里必须亲自坐堂接受人们的控告．他的第一个步骤是通过当堂质问决定控告是当受理还是当驳回．在诉状的末尾写上一个“批”词，或宣布受理，或说明不受理的理由．写批词的方式，人各有异．一些精明能干的州县官一收到诉状就在原告面前挥毫立就写出批词或与幕友讨论后亲自写批，因而闻名遐迩．有些州县官虽然并不亲自写批词，但喜欢与幕友们讨论案子并发表自己的见解．然而，大多数州县官并不熟悉法律，也无能力写批词，因而只得求幕友代为作批．方大琢忠告，只有经验丰富的州县官才可试试当庭作批词，因为缺乏经验的官员所作的批词或许无法使人信服，甚至是荒谬的．法律规定，属州县司法管辖的民事案件必须在二十日内审结．然而，因为拖延审判并没有刑责，许多州县官无视这一期限．对州县官的这类抱怨经常可见． (摘自瞿同祖《清代地方政府》，范忠信、晏锋译，法律出版社，2003)

根据当时法律规定，属州县司法管辖的民事案件必须在二十日内_______．

A．决定是否受理

B．做出判决

C．写出批词

D．讨论案情

某单位有青年员工85人，其中68人会骑自行车，62个会游泳，既不会骑车又不会游泳的有12人，则既会骑车又会游泳的有( )人。

A．57

B．73

C．130

D．69