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FU Yuan has been left at home with his grandparents since he was one month old. His mom and dad left to work in Fujian Province. For the past eight years, Fu has only seen his parents three times although they send home 500 yuan every two or three months. Fu Xiaoyu, 16, has had to live alone since her grandmother passed away three years ago. Her parents do not want to renounce their jobs at a clothing factory in Guangdong Province. Nor can they afford the cost of sending her to a school in the city where they work. These are just two of the 29 kids that 16-year-olds Huang Ruoqing and Zhang Linna at Beijing No 4 High School talked with this summer in Guixiang Village in Sichuan Province. What Huang and Zhang learned from their three-day visit shocked them. They wrote down all the kids’ stories in a moving 40-page essay filled with statistical charts.(统计表) In the poor village with a population of 2,118 people, 582 adults have left to find work, leaving 156 children without parents. Among these so-called left-behind kids, 88 percent of them live with their grandparents, five percent live with uncles or aunts and seven percent have to live on their own. To Huang and Zhang’s surprise, 80 percent of the children said they love going to school. Even though, some children have to walk along the hilly roads for two hours to get there. However, for this village’s students studying is not their first task. Housework, such as helping feed pigs or buffalos(水牛) and taking care of old grandparents, younger sisters or brothers, takes up a considerable amount of their time. Despite having to work hard at home, over 65 percent of the young interviewees would prefer their parents’ stay away working rather than returning to live with them. “These kids are understanding and considerate and know how important money is for their families. Their little wishes like having dinner with their parents inspire us never to take what we have had for granted,” Zhang said. 小题1: Which of the following statements is NOT TRUE according to the passage? A.Fu Xiaoyu’s parents can’t earn enough money to send her to school. B.Huang Ruoqing and Zhang Linna talked with 29 children this summer during their research. C.Some left-behind kids live with uncles, aunts, or grandparents and others live by themselves. D.More than half of the left-behind kids prefer their parents’ staying away working. 小题2: It is implied but not directly stated that A.Fu Yuan’s parents send him 500 yuan every 2 or 3 months B.Huang Ruoqing and Zhang Linna wrote an essay according to the left-behind kids’ stories C.Many left-behind kids love studying and going to school in spite of many hardships D.The time that the left-behind kids spend on housework is more than that on study 小题3: What’s the exact meaning of the underlined word “renounce”in the second paragraph? A.Keep B.continue C.give up D.get 小题4: Which of the following is the best title of the passage? A.Kids Are Left Alone B.The True Story of Home Alone C.Kids Miss Parents D.Parents and Kids
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【多选题】ARP 具有哪两项功能?(请选择两项。)
A.
如果主机准备将数据包发送到本地目的设备,它有目的设备的 IP 地址,但没有其 MAC 地址,它将生成 ARP 广播。
B.
ARP 请求发送到以太网 LAN 中的所有设备,其中包含目的主机的 IP 地址及其组播 MAC 地址。
C.
当主机将数据包封装到帧时,它会参考 MAC 地址表来确定 IP 地址到 MAC 地址的映射。
D.
如果没有设备响应 ARP 请求,始发节点会将数据包广播到网段上的所有设备。
E.
如果收到 ARP 请求的设备有目的 IPv4 地址,它会响应 ARP 应答。
【单选题】以HCl标准溶液滴定NH 3 ·H 2 O时,分别以甲基橙和酚酞作指示剂,耗用HCl的体积分别以V 甲 和V 酚 表示,则二者之间的关系是()
A.
V 甲 >V 酚
B.
V 甲 =V 酚
C.
V 甲 <V 酚
D.
无法确定
【简答题】以HCl标准溶液滴定NH3·H2O时,分别以甲基橙和酚酞作指示剂,耗用HCl体积V甲和V酚的大小关系是 V甲比V酚 (填大或小、多或少、相等)
【简答题】以HCl标准溶液滴定NH 3 ·H 2 O时,分别以甲基橙和酚酞作指示剂,耗用HCl的体积分别以V 甲 、V 酚 表示,则V 甲 与V 酚 的关系是______。
【简答题】以HCl标准溶液滴定NH3·H2O时,分别以甲基橙和酚酞做指示剂,消耗体积分数分别以V甲和V酚表示,V甲与V酚的关系是 .
【简答题】以 HCl 标准溶液滴定 NH 3 ·H 2 O 时,分别 以甲基橙和酚酞作指示剂,消耗 HCl 体 积 V 甲 与 V 酚 的大小关系 ____________ 。
【多选题】EtherChannel 具有哪两项优势?(请选择两项。)
A.
配置 EtherChannel 接口能够让物理链路的配置保持一致性。
B.
配置为不同 EtherChannel 的链路上可以实现负载均衡。
C.
EtherChannel 使用升级的物理链路来提供更高的带宽。
D.
生成树协议将 EtherChannel 中的物理链路视为一个逻辑连接。
E.
生成树协议通过将 EtherChannel 中发生故障的接口转变为转发状态来确保冗余。
【单选题】以HCl标准溶液滴定NH 3 ·H 2 O时,分别以甲基橙和酚酞作指示剂,耗用HCl的体积分别以V 甲 和V 酚 表示,则二者之间的关系是()。
A.
V 甲 >V 酚
B.
V 甲 =V 酚
C.
V 甲 酚
D.
无法确定
【判断题】以 HCL 标准溶液滴定 NH 3 · H 2 O 时,分别以甲基橙和酚酞作指示剂,消耗体积分别以 V 甲 与 V 酚 表示, V 甲 与 V 酚 的关系是 V 甲 小于V 酚。
A.
正确
B.
错误
【简答题】以 HCl标准溶液滴定NH 3 ·H 2 O时,分别以甲基橙和酚酞做指示剂,消耗体积分数分别以V 甲 和V 酚 表示, V 甲 与V 酚 的关系是 ____ .
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