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【简答题】智能家居的未来发展方向是 发展,同时 标准,根据 , 智能家居产品,打造多个智能家居 。
【单选题】No one knew the man’s age until he ______ it by accident.
A.
display
B.
revealed
C.
exhibit
D.
exposed
【单选题】No one knew the man's age until he ____ it by accident.
A.
displayed
B.
revealed
C.
exhibited
D.
exposed
【单选题】If you are going to lose weight, you should ______.
A.
order your meals with three different sizes
B.
carefully plan your meals according to the portion sizes
C.
make a plan of cooking your own meals
D.
have three fresh meals every day
【简答题】The things you eat every day at meals.
【简答题】Use a red pencil to ______ all the foods or meals you think are not so good for you and should be avoided. (line)
【简答题】请考生在第（22）、（23）、（24）三题中任选一题作答，如果多做，则按所做的第一题记分。做答时用2B铅笔在答题卡上把所选题目的题号涂黑。 （22）（本小题满分10分）选修4-1：几何证明选讲 如图，已经⊙O和⊙M相交于A、B两点，AD为⊙M的直径，直线BD交⊙O于点C，点G为弧BD中点，连结AG分别交⊙O、BD于点E、F，连结CE. (Ⅰ) 求证：AG·EF=CE·GD； (Ⅱ) 求证：
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