枸橼酸盐利用试验的指示剂为（） A.酚红 B.中性红 C.中国蓝 D.溴麝香草酚蓝

在多个互斥方案决策中，最短计算期法是计算期统一法的一种具体方法。( )

有360个座位的音乐厅将举办音乐会，每张门票25元。  

（1）已售出240张票，收款多少元？   

（2）剩余的门票按每张15元售出，这场音乐会一共可收款多少元？

Lost Cat Returned To Owner 12 Years Later

April 3, 2014 – Linda Edwards of Las Vegas, Nevada is full of happiness because her long lost cat Spaz has been returned to her – 12 years after he first went missing!

Spaz first went missing in 2002 and Edwards looked for him every day for three months. She searched all around her town and even wrote letters to some newspapers for help and was never able to find him. At the end of the three months, on New Year’s Eve of 2002 her searching stopped.

But someone recently discovered a dirty, thin stray cat (流浪猫) and took him into a West Flamingo Animal Hospital. The people working in the hospital checked the cat and were sure enough that his name was Spaz and he belonged to Edwards!

“An old lady found a kitty on Sunday and brought him here. We scanned (扫描) him for a microchip (微芯片) and we were able to find out his owner. The kitty, whose name is Spaz, has been missing for 12 years!” the animal hospital wrote on their Facebook page early last week.

Microchipping pets is a way to recognize if a stray animal belongs to anyone who could be missing them. Microchipping pets allows animal services to learn if they have a family waiting for them. Microchips are only about the size of a grain of rice and can only be removed by operation.

Edwards is very thankful she had Spaz microchipped and was so excited to get him back!

“I feel like I have a second chance,” she said. “This would have never happened if it weren’t for microchips.”

小题1:The cat got lost ______.

A．three months ago

B．12 years ago

C．on April 3, 2014

D．on New Year’s Eve, 2002小题2:After the hospital checked the cat, they knew ______.

A．its feeling

B．its hobby

C．its stray life

D．its owner’s name小题3:______ make(s) it possible for owners to find their lost pets.

A．The microchip

B．Animal hospitals

C．The newspaper

D．Family members

鞠躬礼源自日本，鞠躬时应正立、脱帽、微笑、目光正视、上身前倾15~30度。

如图所示，卷成团的牙膏皮弄成空心后，立在水中受到的重力________，排开水的体积__________，受到的浮力_______（填“变大”、“变小”或“不变”）．