关键词的密度多少最佳A.1%-5%B.2%-8%C.10%-20%D.50%以上...

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【单选题】

关键词的密度多少最佳

1%-5%

2%-8%

10%-20%

50%以上

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参考答案：

举一反三

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正确

错误

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tired of

fond of

familiar with

afraid of

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【简答题】语法填空练习五 When you are in England you must be very careful in the streets 1 . ________ the traffic drives on the left. Before you cross a street you must look to the right first 2 . ________ then the le...

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【简答题】As a girl, Lily walk in the evening when she is alone. 5、 Styudying hard success a nd we should 6、 Bai Qiuen is a very famous foreign doctor, he was always his ill people...

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busy

cold

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【单选题】盆神经受损时,排尿功能障碍的表现是

尿失禁

尿频

尿潴留

尿痛

血尿

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【简答题】When you are in England, you must be very careful in the 1 because the traffic keeps to the left. Before you 2 a street , you must look to the 3 first and then the 4 . In the morning and in the evenin...

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【单选题】在 Java 语言中,下列对于字符数组的定义并赋值正确的是

char[ ] name = new char[4];

char[ ] name = {'S','V','S','E'};

char[4] name = "SVSE";

char[4] name = {'S','V','S','E'};

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【单选题】在C#语言中,下列对于字符数组的定义并赋值正确的是(选一项)

char[ ] name = new char[4];

char[ ] name = {'S','V','S','E'};

char[4] name = "SVSE";

char[4] name = {'S','V','S','E'};