Choose THREE letters, A-G. Write your answers in boxes 7-9 on your answer sheet. Which THREE of the following seven piec

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问题 Choose THREE letters, A-G.
Write your answers in boxes 7-9 on your answer sheet.
Which THREE of the following seven pieces of safety equipment are suggested for use with a hot air balloon?
A．Drop line
B．Gas valve
C．Piezo ignition
D．Synthetic clothing
E．Fire-proof gloves
F．Flint spark lighter
G．Propane combustion

选项

答案F

解析

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Choose THREE letters, A-G. Write your answers in boxes 7-9 on your answer sheet. Which THREE of the following seven piec

雅思阅读

雅思（IELTS）

Iftheaverage(arithmeticmean)ofx,y,z,5and7is8,whichofthefollowingmustbetrue?I.Themedianofthefivenum

Abuzzersoundsevery15minutes.Ifthebuzzersoundedat12:40,whichofthefollowingcouldbeatimeatwhichthebuzzersou

Tomhad6books.Hegave2tohissisterandthenpurchased3morebooksatthebookstore.Whichofthefollowingmathematicale

Abowlcontains20marbles(8blue,6red,3green,2yellow,and1orange).Ifyoureachinandchooseonemarbleatrandom,wh

Theintegernisamultipleofboth5andWhichofthefollowingis(are)true?I.nisodd.II.n=III.nisamultipleof15.

Whichofthefollowingequalsthereciprocalof,wheredoesnotequal0?

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