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NEW TPO 5 The word "potentially" in the passage is closest in meaning to

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Stealth Technology

Stealth technology is designed to make military assets, like aircraft, ships, and missiles, harder to detect by radar. This goal is achieved by reducing the reflection and emission of radar waves. One method involves using materials that absorb radar waves. Another method shapes the surfaces of these assets to deflect radar waves away from the radar receiver.

The F-117 Nighthawk, developed during the 1970s, was the first operational stealth aircraft. Its angular design made it difficult for radar to detect, though it had limitations. Subsequent advancements led to aircraft like the B-2 Spirit bomber, which features smoother surfaces and radar-absorbing paint. These improvements not only enhanced stealth but also influenced designs of other military vehicles. Stealth technology extends beyond aircraft. Modern naval vessels employ angled surfaces and radar-absorbent coatings to minimize their radar signature. Submarines utilize stealth through hulls that are designed to reduce sonar detection.

Despite its advantages, the complexity and cost of stealth technology limit its availability to only a few countries. Ongoing research aims to improve effectiveness and affordability, potentially expanding its usage in future military applications. However, these advancements also raise concerns about an escalating arms race and the ethical implications of increasingly undetectable weaponry.

4.The word "potentially" in the passage is closest in meaning to

A. quickly

B. greatly

C. easily

D. possibly

你的答案：

正确答案：D

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【题干翻译】文中“potentially”一词最接近的意思是？【定位信息理解】该词出现在第3段第2句“Ongoing research aims to improve effectiveness and affordability, potentially expanding its usage in future military applications.” 【选项分析】 (A) quickly 迅速地 —— 错误 (B) greatly 大大地 —— 错误 (C) easily 容易地 —— 错误 (D) possibly 可能地 —— 正确正确答案：D

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