There are 9 keys on a keychain, of which 5 are for exterior locks and 4 are for interior locks. How many possible selections of 5 keys from the keychain contain at least one key for an exterior lock and at least one key for an interior lock?
Two keys on a keychain isolated on white with clipping path,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工
3. We ___(not lose) our keys since we bought a keychain.相关知识点: 试题来源: 解析 haven't lost 该句需要使用现在完成时的否定形式,表示“自从买了钥匙扣后,我们就没有丢失过钥匙”。主语是“we”,所以助动词用“have”,否定形式为“haven't”,动词“lose”的过去分词为“lost”。因此,答案为...
Keys with a keychain in the shape of a house and a judge's gavel on a white background. ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世
百度试题 结果1 题目What has many keys but can't open a single lock? A. A piano B. A keychain C. A lock 相关知识点: 试题来源: 解析 A。解析:钢琴 piano 有很多琴键 keys,但不能打开一把锁。钥匙链和锁不符合。反馈 收藏
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key[sth]vtr(scratch with a key)(汽车)SCSimplified Chinese用钥匙刮 Annoyed to find a car parked half on the pavement, Audrey keyed it. 奥德丽发现一辆车半停在人行道上,觉得很讨厌,就用钥匙刮了刮车。 key[sth]into[sth]vtr + prep(data: type in)SCSimplified Chinese用键盘将(数据)输入 ...
a monkey a turkey a donkey a twinkey (twinkie)a folirda key a key lime pie a keychain a ok now key is starting to look weird The wrong key…(read on)… a donkey can kick down a door, a key board can open a door electronically if wired and programmed to, a monkey ...
Male real estate agent raises his hands with a wooden house and keys with a keychain house, close-up. Concept of new 4K Happy young woman with afro hairstyle holding keys with keychain in form of little house indoors HD Falling home keys with wooden house shaped keychain on a hiking ...