首页
登录
职称英语
A gardener wishes to plant 5 bushes in a straight row. Each bush has flowers of
A gardener wishes to plant 5 bushes in a straight row. Each bush has flowers of
游客
2025-02-24
16
管理
问题
A gardener wishes to plant 5 bushes in a straight row. Each bush has flowers of a different solid color (white, yellow, pink, red, and purple). How many ways can the bushes be arranged so that the middle bush is the one with red flowers?
选项
A、24
B、30
C、60
D、96
E、120
答案
A
解析
一名园丁想将5种花丛种成一直排,每种花丛开不同颜色的花(白色、黄色、粉红、红色和紫色),有多少种种植方法可使中间的一种为开红色花的花丛?
解:本题的正确答案为(A)。5个元素中第3个为红色,另外4个为剩下的4种颜色,所以本题安排为24种。
转载请注明原文地址:https://tihaiku.com/zcyy/3971454.html
相关试题推荐
CityYhasinstalled30parkingmetersat15-footintervalsalongastraightstr
Arancherwishestoencloseafieldthatmeasures12feetby27feet.Hepurchas
Twocarsstartedfromthesamepointandtraveledonastraightcourseinopposi
Twocarsstartedfromthesamepointandtraveledonastraightcourseinopposi
Inacertainflowershop,whichstocksfourtypesofflowers,thereare-asman
TORTUOUS:A、vigilantB、straightforwardC、durableD、naiveE、casualB
Writinginastraightforwardasopposedto(i)______style,theauthorproduced(
Likeavidgardenerswhoattackweedstirelessly,somedamselfishare______weeder
Heavilyperfumedwhiteflowers,suchasgardenias,werefavoriteswithcollector
Despitetheextravagantcolorsoftheflowersbeesvisit,untiltheearly19
随机试题
BLEMISHED:PERFECTION::A、apathetic:emotionB、stigmatized:stainC、cherished:
[originaltext]M:Yoursonseemstohavemademuchprogressinplayingthepiano
They______theworkinspiteoftheextremelydifficultconditions.A、carriedonB
【教学过程】 (一)导入新课 同学们,我们刚刚欣赏了北国的秋色,在饱尝了故都的秋味之后,大家一定意犹未尽,对于北方的风光,还恋恋不舍,尤其对于北京这个有
与建的动力平衡无关的是A.向前的动力 B.向后的动力 C.左右的动力 D.
(2019年真题)不属于债券买卖交易报价方式的是()A.大额报价 B.双边报
目前治疗急性暴发性狼疮脏器受损时的首选药物是A.免疫抑制剂 B.非甾体抗炎药
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
M公司是一家大型企业,拥有职工近万人,由于产品畅销,经济效益可观,职工的工资在同
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
最新回复
(
0
)