【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B0D68DF19A9EF6AAB7BCAF05443181E9.png title=41.png alt=41.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6F6D1B3FF8363DB29F53162E3EB90AA2.png title=41-1.png alt=41-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/14955243FD6F69C3856CDF01CCC5E4A6.png title=41-2.png alt=41-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/329076C83099A63C237FC9070724C304.png title=41-3.png alt=41-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/E8ABC964060AC4B13A119F81AC6997CF.png title=41-4.png alt=41-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/877E778C719C2F60848BEC62F42EAA6B.png title=19.png alt=19.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/D5B728262B8AA9EF540AF06D0CFD548B.png title=19-1.png alt=19-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2DF14973BA976C30000C52C32E3A66F8.png title=19-2.png alt=19-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/71F01ED604F19527DAE6D7CED669862A.png title=19-3.png alt=19-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/3E2D28460C376271D42543BD7A81561C.png title=19-4.png alt=19-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/99E4DF8976770FA10B68B2E9EFFCDABD.png title=40.png alt=40.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/9B249C6CBAABCAEE146B0860F7508532.png title=40-1.png alt=40-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/DD003956F10F80AF4371B069259B3930.png title=40-2.png alt=40-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CF39B8EDBF9E984232C95884F0892F8E.png title=40-3.png alt=40-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/8DC3A3875A825CC3E6208FC1249A9988.png title=40-4.png alt=40-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/48A8FC7CAC0BA5ED5F09E1281C2885DA.png title=4.png alt=4.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/1CEA2855311D171C0BA2F1174CFBC3BF.png title=4-1.png alt=4-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/31258A15223174121D71E615E88765D3.png title=4-2.png alt=4-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/8468B797B67C04F9FA273FE638CA6B5A.png title=4-3.png alt=4-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B54CADE670BF7BC5D12AFE5ABD3E0618.png title=4-4.png alt=4-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B371F8D4BEBB6DD4BD5E28161CDD7909.png title=24.png alt=24.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E25597009A0D82FE9D07DA90C93A484B.png title=23.png alt=23.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6805C87081D898727C7FCEDEB2362A8B.png title=23-1.png alt=23-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/957ED08F4A99330D94737D495B8DC39C.png title=23-2.png alt=23-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/A2745F8C405AC8F23A59961EEB738356.png title=23-3.png alt=23-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/106F8D0BD54E8BF071CBDCFAB073F3E6.png title=23-4.png alt=23-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/8B6C61ECABBAF854791D6E5A9B202505.png title=27.png alt=27.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/4CB9850771E9A7BE1CF6E660F3A5C016.png title=10.png alt=10.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E1A8D7479D256C126AB136917F176844.png title=10-1.png alt=10-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F102C122EB795CEFF71CA2C76D10A2E7.png title=10-2.png alt=10-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1F392940CF090990673A92AA170C3880.png title=10-3.png alt=10-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/57D5274DECC6B63643831BD372A5247A.png title=10-4.png alt=10-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A553DF767E2D58FA973B3644324FA8F3.png title=16.png alt=16.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/685CD943A19967CC3A0C376CE1E755DC.png title=16-1.png alt=16-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/06E9244469D6B843F705E131C16F8291.png title=16-2.png alt=16-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/467B39DA14925CCF0D5A26D603DDDC51.png title=16-3.png alt=16-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/2819AF527C6BF3C6DE86FFA9328AC216.png title=16-4.png alt=16-4.png/>
【单选题】
用8051的定时器T1作定时方式,用模式1,则工作方式控制字为。