问题 选择题

在伐木后的树桩上可以看到许多同心圆,这就是树木的年轮。长在自然状态下的树木,其树轮记录了他们生长时的环境状况信息,如气温的高低,降水的多少等。一旦我们能够确定树轮的确切年份,就可以了解当时的气候了。读图回答1—2题。

1、若上图中甲乙两树木分别为同一地区同一树种的两棵树木的年轮,下列关于图示说法不正确的是:[ ]

A.1860~1890年间该地区气温较1860年之前有明显下降

B.甲树木生长的年代与乙树木约45年重合

C.通过甲乙两图的对比,可以分析该地区前后约40年的气候情况

D.乙图中树木约在1900年前后停止生长

2、关于树木的年轮说法正确的是:[ ]

A.在我国森林和草原的过渡地带,树轮的宽窄主要受热量状况的影响

B.温带季风气候区的树木年轮与同纬度的温带海洋气候区相比表现得更加匀称

C.在干旱的山区,迎风地带树木的年轮往往比背风地带窄

D.厄尔尼诺现象来袭时,致使美国西南部冬季更加湿润,从而形成更宽的年轮

答案

1、C

2、D

单项选择题
单项选择题

Part 4


Questions 26-45


·Read the following article and choose the best word for each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.

iPhone Left in Hot Car for Three Hours


The normally peaceful suburban town of Winnetka is still reeling following the news Monday (26) a local resident, whose name is being (27) by police pending a full investigation, left an iPhone unattended for more than three hours in a car (28) in the hot sun.
"Responding to calls from (29) . passersby, who observed the iPhone sitting in a vehicle in the parking (30) of the Westfield Shopping Center, police arrived on the (31) at approximately 4 p.m. and immediately intervened to save the device," said Winnetka police chief Douglas Blaine. "Security cameras have shown that the iPhone had been in the car— with the doors (32) and the windows rolled (33) —since 1 p.m. Due to the tragic and highly emotional (34) of this case, we cannot say any (35) at this time."

A. away B. upC. down D. aside

According to official police records, two officers forcibly (36) into the car at 4:07 p.m. and found the iPhone (37) face down on the dashboard. The iPhone at first showed no (38) of life, but after a tense few seconds, officers were able to wake it and get it to (39) to a series of simple touch commands. Police said that if the iPhone were left in the extreme (40) for any longer, it could have died.
The iPhone was rushed by ambulance to a nearby Apple facility for careful (41) .Miraculously, no damage to its memory, screen, or wireless capabilities was reported.
Upper-middle-class suburbanites from all over the North Shore area have reacted to the near-tragedy with an unprecedented outpouring of (42) . Hundreds of cards and letters have come streaming in, and local talk radio shows have been flooded (43) calls demanding that the iPhone’s (44) be prosecuted. Many have come forward offering to take the iPhone into their custody, and still (45) have donated free downloads, ringtones, and MP3s to the victimized object.