调速阀的图形符号表示正确的是http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/ce6eba96b35f47f98ce240c767df865f.png
举一反三
- 设http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/5f9f81d9a1184c2eb383cb81ebbe2768.png，若http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/410a0d9f8b4a4f82a6818a45f4a3b450.png，http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/637f75734cb849caa773da5377f55f5e.png，http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/29aefd40f6c54e788587a2115dd02467.png，则http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/631634fcf7854ec88eedede14de7c1de.png之间的大小顺序为（ ）<br>
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/44f4d22711964c23980340adb7809625.pnghttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/3d4966e983de4b688abd5941e42a0548.png
- 设http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6e6de13adf014e1f9fdc7954cb313377.png是由方程http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6d1ea7ec74bb4607aee50aa325108197.png确定，求http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/1d60e0ceb7d14d26a00863c192e0bbf3.png（ ）
- 设http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/90c19a717ac34717836dbca4afba1bd9.png是由方程http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7648e783c2f24044bb84346d0e07e161.png确定，求http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d24ed3aef9a94d38965289947da528f7.png（ ）
- 下列函数中为奇函数的是( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/7d0e4f5547744249b8c4c0e6db0e62fc.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d19abeb7724248dca0a0c1b8017897db.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/3f5cff0b4a9b441da3b9e75bd446c141.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/d59a9db29be640a899356a3f1645a0dd.png">