小米手机是小米公司旗下三大核心业务之一。小米人拒绝平庸，60万发烧友参与研发公司首创的利用互联网开发手机操作系统项目。小米团队中的每个人都享受共同创业成长的快乐。小米的成功得益于（    ）

①竞争为目的，审时度势     ②勇于创新，不走寻常路

③能集思广益，力求排他     ④团队合作，集大家智慧

读一读，回答下列问题。
    Betty is very happy because she moves to her new home today. Her new home is very big and nice. It has three bedrooms. The big one is for her parents. The small one is for her brother Paul and the middle one is for her. Betty likes pink，so her bedroom is a pink room. The walls are pink. The curtains(窗帘)are pink. The bed and wardrobe(衣柜)are pink, too. Every day, Betty does her homework in her bedroom. Betty's father likes the new home, too. He likes the study because it's quiet. He can read in it. Betty's mum likes the kitchen. It is big and clean. She can cook nice food for the family. Paul likes the new home because the living room is so big and he can play games with his friends there.

已知 ，且 ，设p：函数 在R上递减；q：函数 在 上为增函数，若“p且q”为假，“p或q”为真，求实数 的取值范围．

When John entered the office, the manager ____just____ (leave), so they had little time to talk about the agreement.

十字路口交通指示灯可以通过不同颜色灯光的变化指挥车辆和行人，根据你对交通指示灯的了解可以推断红灯、黄灯、绿灯是____连接的：马路上的路灯有一个不亮，其他的仍然发光，它们之间是____连接的（均选填“串联”或“并联”）．