(02:05-02:35) Megan Hilden felt it was satisfying with the way Airbnb settling the problem mentioned above.

Please listen to the video in the website on the topic of “Airbnb guests are finding hidden cameras planted in their rentals”and then tell true(T) or false(F) for the following statements： (02:35-02:55) In order to protect ourselves from being recorded, experts suggest that we could invest in a digital device detector, search rooms and use a flash light to try and spot lenses.

Please listen to the video in the website on the topic of “Airbnb guests are finding hidden cameras planted in their rentals”and then tell true(T) or false(F) for the following statements： (02:35-02:55) In order to protect ourselves from being recorded, experts suggest that we could invest in a digital device detector, search rooms and use a flash light to try and spot lenses.

在基于RS-485的MODBUS通信中,网关节点发送的报文是:02 02 00 00 00 01 B9 F9,则响应报文正确的是( )。 A: 02 02 01 01 60 0C B: 02 02 02 01 60 0C C: 02 02 01 00 01 60 0C D: 02 02 02 00 60 0C

查询图书编号是"01"或"02"的记录,可以在条件中输入（ ）。 A: "01" and "02" B: not in ("01" , "02") C: in ("01" , "02") D: not ("01" and "02")

筛选图书编号是“01”或“02”的记录,可以在准则中输入()A.()“01”()or()“02”()B.()not()in("01","02")()C.()in("01","02")()D.()not()("01","02")

'2020/02/29'.split('/')的运行结果是： A: '2020' '02' '29' B: 2020 02 29 C: [2020,02,29] D: ['2020','02','29']

【单选题】下列是日期型常量的一项是 A. "02/03/2020" B. 02/03/2020 C. {02/03/2020} D. #02/03/2020#

成功连接MQTT后，服务回复： A: 20 02 00 00； B: 20 02 00 01； C: 20 02 00 04； D: 20 02 00 06；

在水平角观测中，由A向B旋转， A 方向读数为180°02′54″,B 方向读数为05°38′36″，其水平角为。A.174°24′18″ B. 185°35′42″C.92°50′45″ D. 5°35′42″