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(单选题)

Why was the launch canceled a week ago? ( )

A.cause helium was sightly leaking.
B. Because helium was injected in the rocket's cryogenic engine.

B.Because the rocket failed to push the spacecraft into the correct orbit.

C.Because different fuel was injected in the rocket's cryogenic engine.

参考答案:B

参考解析:

细节题。根据题干关键词a week ago 定位至第五段前两句话,"The launch a week ago was called off...while filling helium in the rocket's cryogenic engine."印度空间研究组织的科学家在给火箭的低温引擎注入氦气时发现了一个漏洞,因此发射中止了。B项符合题意。A项氦气正在泄漏,原文中只是说在注入氦气时发现了一个漏洞,并未说氦气是否泄漏,错误;C项,原文未提及;D项不明确。故本题正确答案选B。

知识点:细节题 英语 阅读理解 通用 英语
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