某金融机构为防盗安装的自动摄像机所拍摄的齐某抢劫银行的录像带属于：A．原始证据，直接

根据短文内容及首字母提示，在空白处填入一个适当的单词。

     Computers are useful machines. They can help people a lot in their daily (1)I            . For example,

they can help people to save much time to do (2)m            work, and they can help people to work out

many (3)p           . More and more people learn to use computers.

     Today more and more (4)f             own computers. Parents buy computers (5)f            their children.

They hope computers can (6)h             them improve their studies. However, many of their children

(7)u             computers to play games and watch videos instead of studying. So many teachers and parents

complain that computers cannot help children to study but make them fall (8)b            . So computers are

locked in boxes by parents.

     In some (9)o             countries, even some scientists also hate computers. They say computers

(10)l            many of people lose their jobs or bring them a lot of trouble. 

     Will computers bring people trouble or happiness? It will be decided by today's students themselves.

（）是提高混凝土梁刚度，减小挠曲变形的最有效措施。

A.提高混凝土强度等级

B.配置钢筋

C.采用工字形截面

D.增加梁高

下列诗句中与“小荷才露尖尖角，早有蜻蜓立上头”出自同一作者的是( )。

A．不知细叶谁裁出，二月春风似剪刀
B．接天莲叶无穷碧，映日荷花别样红
C．绿荫不减来时路，添得黄鹂四五声
D．扬花榆荚无才思，惟解漫天作雪飞

20岁女性患者，双眼视物不清伴眼球转动痛1周，矫正视力双眼0．1，角膜透明，房水清，瞳孔大小正常，对光反应稍迟钝，晶状体无混浊，眼底视盘边界清，颜色正常，C／D=0．3，A／V=2：3。

首选治疗方法是（）

A.抗生素

B.血管扩张剂

C.神经营养药

D.糖皮质激素

E.以上都不正确

流体既无固定的形状，也无固定的体积。