Television, it is often said, keeps one (36) about current events, allows one to follow the (37) development in science and politics, and (38) an endless series of programs which are both (39) and stimulating. The most distant (40) and the strangest customs are brought right (41) one’s sitting-room. It could be argued that the radio performs this (42) just as well, but on television everything is much more living, much more (43) . Yet here is a danger. The television screen itself has a terrible, almost physical fascination for us. We get (44) used to looking at its movements, so (45) on its flickering pictures, that it begins to (46) our lives. A friend of (47) told me the other day that his television set had broken 48 and that he and his family had suddenly found that they had far more time to do things, and that they had (49) begun to talk to each other again. It makes one
A. to
B. for
C. on
D. toward
| Why does cream go bad faster than butter Some
researchers think they found the answer, and it comes down to the structure of
the food,not its chemical composition--a finding that could help rid some
processed foods of chemical preservatives. Cream and butter contain pretty much the same substances, so why cream should sour much faster has been a mystery. Both are emulsions--tiny globules (小球) of one liquid evenly distributed throughout another. The difference lies in what’s in the globules and what’s in the surrounding liquid, says Brocklehurst, who led the investigation. In cream, fatty globules drift about in a sea of water. In butter, globules of a watery solution are locked away in a sea of fat. The bacteria which make the food go bad prefer to live in the watery colonies of the mixture. "This means that in cream, the ba A. it suggested a way to keep some foods fresh without preservatives B. it discovered tiny globules in both cream and butter C. it revealed the secret of how bacteria multiply in cream and butter D. it found that cream and butter share the same chemical composition [单选题]FANUC系统中，下列程序所加工圆弧的圆心角为（）N10G54G90G00X80Y0； N20G02X56569Y-56569I-800J0F100；
A. 30° B. 75° C. 45° [单项选择]（）大致分为连接和功能性两大类部件。
A. 无源光器件 B. 有源光器件 C. 光配架 D. 电配架 [填空题]He will never forget (meet) ______ Chairman Mao in Beijing.
[单选题] 下列( )表示 I 段电压小母线 A 相。
A.1YMa B.1Ya C.1YN [单项选择]油井分层开采，是为了控制高渗层，发挥中低层生产能力，调整（），在一定采油速度下使油田长期稳产。
A. 平面矛盾 B. 层内矛盾 C. 层间矛盾 D. 注采平衡关系 [单项选择]哪个民族把鲜花看作是纯洁，友爱和吉祥的象征？（）
A. 僳僳族 B. 瑶族 C. 裕固族 D. 基诺族 [多项选择]驾驶员良好的心理特征表现在行车中能做到（）
A. 头脑清醒 B. 判断准确 C. 反应迅速 D. 行动果断 [单选题]发绀发生的决定性因素是
A.心脏有右至左的分流 B.血压过低 C.肺功能严重减退 D.血液中还原血红蛋白的绝对量 E.红细胞比容 [多项选择]BSC侧2725告警是切换告警，是由于以下哪些数据库的数据和实际小区的数据不符所引起的（）。
A. BTS B. LAC C. CI D. NCC E. BCC F. FREQ [单选题]金属探测仪利用了电磁感应的原理。因此，只有【】强的物质才能被探测出来。
A.导电性 B.绝缘性 [单项选择]法兰不与管内介质接触，且安装也比较方便的法兰结构形式为（）。
A. 螺纹法兰 B. 平焊法兰 C. 光滑式对焊法兰 D. 凹凸式密封面对焊法兰 [判断题]当水压升至0.3MPa时，即可打开出水球阀向火场供水。
A.正确 B.错误 [多选题]调控人员的控制操作方式一般有( )。
A.就地遥控 B.监护遥控 C.间接遥控 D.单人遥控 我来回答: 提交
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