[在线考核] ______ by accident ______ by design, he arrived too late to 日期:2021-07-17 17:09:24 点击:191 好评:0
(单选题)26: ______ by accident ______ by design, he arrived too late to help us. A: Not only...but also B: Neither...nor C: Whether...or D: Both...and ...
[在线考核] Without the ( ) materials imported from abroa 日期:2021-07-17 17:08:44 点击:90 好评:0
(单选题)20: Without the ( ) materials imported from abroad, Japan can hardly produce anything. A: storey B: valuable C: spare D: raw ...
[在线考核] During the eight years war, many people ____ their 日期:2021-07-17 17:08:05 点击:157 好评:0
(单选题)14: During the eight years war, many people ____ their blood for their country. A: shed B: tempted C: reserved D: devoted ...
[在线考核] Shirley ( ) a book about China last year but 日期:2021-07-17 17:07:27 点击:126 好评:0
(单选题)8: Shirley ( ) a book about China last year but I don't know whether she has finished it. A: has written B: wrote C: had written D: was writing ...
[在线考核] It is ( ) in the regulations that you can take 日期:2021-07-17 17:06:46 点击:50 好评:0
(单选题)2: It is ( ) in the regulations that you can take 20 kilos of luggage with you. A: laid upon B: laid out C: laid up D: laid down ...
[在线考核] 函数的定义域为( ) 日期:2021-07-17 17:05:44 点击:115 好评:0
(单选题)34: 函数的定义域为( ) A: [-4,5] B: [-4,5) C: (-4,5) D: [4,5) ...
[在线考核] 设数列{}有界,又,则 ( &am 日期:2021-07-17 17:04:15 点击:132 好评:0
(判断题)48: 设数列{}有界,又,则 ( ) A: 错误 B: 正确 ...
[在线考核] 若一个函数在某点的左右极限存在且相等(设值为A),则此 日期:2021-07-17 17:01:55 点击:103 好评:0
(判断题)50: 若一个函数在某点的左右极限存在且相等(设值为A),则此函数在该点的极限也存在,但是不一定为A A: 错误 B: 正确 ...
[在线考核] 函数当时的无穷小量。 日期:2021-07-17 17:01:28 点击:51 好评:0
(判断题)44: 函数当时的无穷小量。 A: 错误 B: 正确 ...
[在线考核] 函数f(x)在点处连续是f(x)在处可导的( ) 日期:2021-07-17 17:01:06 点击:58 好评:0
(单选题)38: 函数f(x)在点处连续是f(x)在处可导的( ) A: 必要条件 B: 充分条件 C: 充分必要条件 D: 既非充分条件又非必要条件 ...