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【判断题】
无论是祈雨,还是镇水,这些与水相关的习俗和信仰都是以原始文化为背景的。
A.
正确
B.
错误
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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.
reviewed
B.
revealed
C.
recovered
D.
recalled
【单选题】No one knew the man’s age until he ______ it by accident.
A.
display
B.
revealed
C.
exhibit
D.
exposed
【简答题】在画受力图的时候,我们会把梁用( )来表示。
【单选题】某公司是美国占支配地位的计算机芯片制造商,当他们推出一种新产品时,定价总是比同类产品定价低,在销售第一年可能获利很小,但他们很快就把产品打入了市场,第二、三年会大销售产品而获利。他们采用的是( )策略。
A.
速取定价
B.
渐取定价
C.
弹性定价
D.
理解价值定价
【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】Once upon a time, there was a man who was so famous that everyone in his country knew him. One day, the famous man was sitting in a restaurant with his sister. “It must be great to be famous. Everyone...
【单选题】整理与分析资料属于社会调查过程的第()步?
A.
B.
C.
D.
E.
【单选题】以下哪个选项不是桥的制作条件( )
A.
长度≥500m
B.
长度在50至500米之间且存在特定桥名
C.
连接河流或山谷两侧道路的桥梁
D.
有特定桥梁名称
【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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