39.When a whip is snapped, it makes a loud cracking sound. Whips can accelerate to a speed of more than 700 miles per hour. At that speed a whip can break that sound barrier. In this passage, the word accelerate means _____.
(A) maintain
(B) speed up
(C) go slower
(D) exceed

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統計： A(71), B(1075), C(14), D(100), E(0) #419920

詳解 (共 5 筆)

#826214
accelerate    vi. 使增速

(D) exceed    vt. 超過；勝過[（+in）]
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#1353529

39.When a whip is snapped, it makes a loudcrackingsound. Whips can accelerate to a speed of morethan 700 miles per hour. At thatspeed a whip can breakthatsoundbarrier. In thispassage, the wordacceleratemeans _____. 

39.當鞭子啪的一聲，它使一個響亮的爆裂聲。鞭子可以加速到每小時超過700英里的速度。在這樣的速度鞭子可以打破音障。在這段話中，字加速手段_____。
(A)保持
(B)加快
(C)走慢
(D)超過

14
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#3947522
whip 鞭子barrier 屏障exc...
(共 28 字，隱藏中）
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#5457332

* whip n.攪拌器、鞭子，snap v. 突然折斷

(D) exceed v. 超越
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#5816320
單字 中文意思 例句 maintain...
(共 331 字，隱藏中）
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1
0