正确答案: A

地形

题目：影响乙地等值线向北弯曲的最主要因素是

解析：A

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举一反三的答案和解析：

[单选题]Why did Peter create eBay after graduating from university?

For fun

[单选题]This printer is of good quality. If it ( )break down within the first year, we would repair it at our expense.

should

[单选题]木兰科植物的花常为( )

重被花

[单选题]关于该区域城市化水平，下列叙述正确的是

2010年约为50％ 2020年以后趋于降低 2030年超过80％ 2040年以后保持稳定

[单选题]______________

connected

[单选题]

dull

[单选题]

as

[单选题]榕树“独木成林”现象，主要是由于具有( )。

支柱根

[单选题]C.The term “multitasking” originally referred to a computer’s ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic exercises (人脑训练) involve engaging the brain in two or more challenging activities at a time. Although checking e-mail while talking on a phone and reading the newspaper may be second nature for some people, many times multitasking can make us less productive, rather than more. And studies show that too much multitasking can lead to increased stress, anxiety and memory loss.

To help them perform. daily tasks more easily.