1 、电路如图所示，该电路的闭环电压放大倍数为（ ）。 A .1 B. -1 C. R 1http://p.ananas.chaoxing.com/star3/origin/45bd5d998fe201ef59ede6f233083e43.png

Unit 4 第六课时：选词填空作业 6. Fill in the blanks with suitable words from the word bank. You may not use any of the words more than once.(提交时只需要输入单词前面的大写字母，不需要填写具体单词)http://p.ananas.chaoxing.com/star3/origin/f51f72023615d7fb71485a040544dc3b.jpg?rw=715&rh=272&_fileSize=32772&_orientation=1http://p.ananas.chaoxing.com/star3/origin/fcd7c4882dc789f0120decdc84c03d85.jpg?rw=715&rh=707&_fileSize=102902&_orientation=1http://p.ananas.chaoxing.com/star3/origin/14af2a4f3e6abcd44340c5f61ace7de2.jpg?rw=656&rh=557&_fileSize=87398&_orientation=1

下面属于RESTful风格请求的是（）。 A: http：//.../queryItems？id=1 B: http：//.../queryItems？id=1&name=zhangsan C: http：//.../items/1 D: http：//.../queryitems/1

源极跟随器电路如图所示，场效应管参数为Kn＝1http://...____，输出电阻约为________。

若<img src="http://edu-image.nosdn.127.net/_PhotoUploadUtils_5e87b1af-bca5-443b-a243-291827849f02.png" />,则<img src="http://edu-image.nosdn.127.net/_PhotoUploadUtils_ad6fa5ac-dbcf-4b8b-8daa-181c5a784826.png" />的初值<img src="http://edu-image.nosdn.127.net/_PhotoUploadUtils_db6a652c-73b6-49f0-aa72-b78bfc327b03.png" />为? 0|不存在|1<br >|-1

实验中，在URL地址栏中提交哪一项会注入不成功 A: http://本机IP/access.php?username=angel'%23 B: http://本机IP/access.php?username=angel'%2F%2A C: http://本机IP/access.php?username=angel' or‘1=1 D: http://本机IP/access.php?username=angel' or 1=1

1<br/>下列可以查询专利的有（ ）{大家动手试试就知道了} A: http://www.patexplorer.com/ B: http://www.innojoy.com/ C: http://www.csres.com/ D: http://www.sac.gov.cn/

下列URL对搜索引擎优化最友好的是（） A: http://www.ndz.com/pagehtml B: http://www.ndz.com/pagephp C: http://www.ndz.com/pagejsp D: http://www.ndz.com/pageasp?id=1

<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/2205d9f03e724a04b34f2f1045309079.png" />的幅频响应是，幅频响应是。 A: 1，<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/760d7fcc2f264ed1b10fb836cb48f565.png" /> B: -1，<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/21f685d2962e4b6993bfcaa513bdbf68.png" /> C: 2，<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/57267e995f86426899ce3cc0177a2343.png" /> D: 1，<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/ea8ba62853a94a15a5620c5165e3594a.png" />

已知 EX=－1， DX＝3，则 ＝（）http://image.zhihuis...885a4fd87fdae3fa.png