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【判断题】
PWM调光技术指的是通过改变输入的脉冲信号占空比来调制LED驱动芯片对功率场效应管的栅极控制信号,从而达到调节通过LED电流大小的目的。
A.
正确
B.
错误
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【单选题】I am ______ interested in English . I often work at it until _______ into the night.
A.
deep , deep
B.
deeply , deep
C.
deep, deeply
D.
deeply, deeply
【单选题】My coworkers and I often meet at the local coffee shop and have a coffee before work.
A.
subject + verb
B.
compound subject + verb
C.
subject + compound verb
D.
compound subject + compound verb
【判断题】控制镜头透光多少是光圈的主要作用
A.
正确
B.
错误
【单选题】— How do you often go to work? —  _______. [     ]
A.
I often go to work at six.
B.
I often go to work early.
C.
I often take the number 12 bus.
D.
I often go to work with my friend.
【单选题】控制镜头透光多少是 的主要作用。
A.
相机机身
B.
距离
C.
摄影镜头
D.
光圈
【简答题】Completed text about anna gaosier with the words in the box. Deal, do, finish, go, have, live, start, work, not work. I 1 in the small town near Burgos, Spain. I am married and I 2 one child. I'm a ba...
【简答题】I live in Albuquerque, and some homeless people often stay at the stoplights. I often gave money to them, feeling 1 for their bad luck. But later I became a single mom with no home, a huge debt. As a ...
【单选题】Which of the following is most close to the meaning of “I don’thave a stable job. I often work as a waiter at the restaurant at night “?
A.
I take a part-time job as a waiter during the night
B.
I take a part-time job as a waiter during the day
C.
I take a full-time job as a waiter.
D.
I hate my job of being a waiter at the restaurant at night.
【简答题】Put the words in brackets ( ) in the right place in these sentences. 0. I work late at the office. (often) Answer: I often work late at the office. 1. You must lock the front door when you leave. (alw...
【简答题】7 Is the meaning of the sentences the same or different? Write S or D. ► I always go shopping on Saturdays. I go shopping every Saturday. S 1 I sometimes work at home. I often work at home...
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