(单选题)

Look at the four squares [A, B, C, D] that indicate where the following sentence could be added to the passage.
If supplies are delayed for one reason or another, the entire project and the livelihood of the colonists could be in serious jeopardy.
Where would the sentence best fit?

A.A

B.B

C.C

D.D

参考答案：B

参考解析：

推理判断题。该题可定位到第三段。第二段说的是影响居住的第一点，第三段说的是影响居住的第二点，因此不可能放在A前面。而B，C和D后的句子均表达的是火星适合人类居住的原因。因此该句应放在B处。所以这个段落逻辑是第一句说明影响居住的是自然资源，然后说如果这些资源提供延误的话，会产生问题，最后说火星上的条件适合居住。故选B。

知识点：

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Look at the four squares [A, B, C, D] that indicate where the following sentence could be added to the passage.If supplies are delayed for one reason or another, the entire project and the livelihood of the colonists could be in serious jeopardy.Where would the sentence best fit?

Look at the four squares [A, B, C, D] that indicate where the following sentence could be added to the passage.
If supplies are delayed for one reason or another, the entire project and the livelihood of the colonists could be in serious jeopardy.
Where would the sentence best fit?