圆曲线最小半径有三类：（）、一般最小半径（设超高推荐半径）、（）。

据新华网报道，某社区的吴某，他明知道自己居住的楼群中有几个吸毒者，却视而不见．他说：“这不关我的事，我管他干嘛！”但过了一段时间，他痛苦地发现，自己上中学的儿子成了毒品的俘虏．儿子的身体也从以前的“体健如牛”逐渐变成“骨瘦如柴．”

分析讨论：

（1）别人吸毒，真的不关我们的事吗？请举例说明？

（2）如果发现有人吸毒、贩毒，你怎么办？

（3）我们在交友、选择活动场所时应注意什么？

（4）为什么青少年容易成为吸毒、贩毒者的目标？

如图4所示电路，电感线圈L的自感系数足够大，其直流电阻忽略不计，L_A、L_B是两个相同的灯泡，则(　　)

A．S闭合瞬间．A、B同时亮，然后A逐渐变暗到熄灭，B变得更亮；S断开瞬间，A亮一下才熄灭，B立即熄灭

B．S闭合瞬间，L_A很亮，L_B逐渐亮；S断开瞬间，L_A逐渐熄灭，L_B立即熄灭

C．S闭合瞬间，L_A、L_B同时亮，然后L_A熄灭，L_B亮度不变；S断开瞬间，L_A亮一下才熄灭，L_B立即熄灭；

D．S闭合瞬间，L_A不亮，L_B很亮；S断开瞬间，L_A、L_B立即熄灭

突发耳鸣，声大如潮，按之不减者属()

A.肾精亏损

B.阴虚火旺

C.肝肾阴虚

D.肝胆火盛

E.肝血不足

某厂一年累计用水量总和为365000m³，已知这个厂在7月30日这一天的用水量为1500m³（为全年用水量最多一天），请问这个厂用水量的日变化系数是多少？

Blair Admits Never Having Sent Flowers to His Wife

British Prime Minister Tony Blair admitted on a television programme that he has never sent flowers to his wife Cherie and that he had a youthful crush on Hollywood beauty Grace Kelly.
Blair, who allowed Channel 4 interviewer June Sarpong to shadow him for two days last month, made other personal (1) when asked questions he rarely hears on the usual television political (2) .
During the interviews for a program targeting 18-30 year (3) , the prime minister admitted he sometimes has to "wing it" when (4) public appearances and that he yearns to go out for a drink (5) being recognised.
However, the most dramatic revelation was his reply to Sarpong’s (6) on whether he still sends his wife flowers, prompting his interviewer to (7) in disbelief. "I’ve never sent her flowers. If I sent her flowers, she would (8) worried," Blair said.
But he added: "I am romantic. There are other ways of (9) romantic."
Blair needed a few moments to recall which posters he had (10) his bedroom wall as a youngster, then revealed: "I’ll tell you... actually, (11) I was younger, I loved Grace Kelly."
Born in 1929, Kelly (12) in films like ’Dial M For Murder’, ’Rear Window’ and ’High Society’ in the mid-1950s, but (13) acting to marry Prince Rainier of Monaco in 1956, when Blair was (14) two years old.
Blair admitted he initially found it "odd" to be (15) minister and to be rushed in motorcades from appointment to (16) , and worried that his lifesty left him "a bit isolated" from (17) people.
He admitted that he was constantly on the phone between public (18) , and rarely had time to prepare for his next (19) , telling Sarpong: "I wing it all the time."
And he revealed he has to check himself before he replies to (20) questions from the public. "The worst thing is when someone is giving you a real earful and you think ’I’m going to say something I will regret’," he said.
Asked what he would do if he could be invisible for a day, Blair yearned for a more ordinary life, saying he would "just walk down the street and go to the pub... just be absolutely normal".