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【单选题】
视杆细胞的感光特点是( )A.
感受强光刺激
B.
对光的敏感性高
C.
视物分辨率高
D.
有颜色的视觉
E.
能看清物体的细微结构
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【简答题】用所给单词的正确形式填空 1. __________(sandwich) are very delicious. I like them. 2. What do we need __________(make) a banana milk shake? 3. How many __________(cup) of yogurt do you want? 4. Mum is __________(c...
【简答题】工地上有一台设备需要吊装。设备运输、吊装重量5000kg，外形尺寸（长×宽×高）为4521×1015×2112。设备安装在二楼平台上，二楼楼面标高为6m。工地土质为硬质黏土，建筑物四周无障碍物。请根据附表图“QY25型液压汽车起重机性能表”，合理选择起重机工况。 本工程优选液压汽车起重机的原因有( )。（多选题） A.施工现场土质较好 B.工期较短，只有一台需吊装的设备 C.液压汽车起重机进退场方...
【简答题】选出你所听到的选项。 ( )1．A．talk show ( )2．A．the picture book ( )3．A．I like them a little. ( )4．A．What about her? ( )5．A．love it ( )6．A．tomorrow ( )7．A．the sunglasses ( )8．A．in m...
【简答题】完形填空。 I like pandas very much. They are very 1 . Most of them live in Sichuan, 2 . They 3 white fur (皮毛), but their shoulders, legs, ears and eyes are 4 . Pandas are usually heavy, but they can climb ...
【简答题】解方程： （1）3x+2.16=4.2x （2）1.2（0.7+x）=4.8÷2．
【简答题】根据句意及首字母提示完成句子。 1. The story is f_______ than that one.I like it very much. 2. My friend and I have quite o________ views, but we are good friends. 3. I have many books, and I like r________ them in m...
【简答题】解方程． x-3.6=1.4 4x=15 x+0.42=4.2 x÷1.4=0.5．
【简答题】任务型阅。 根据以下信息，完成表格。 1. I'm Freda. I like black. I have a pair of black shoes. I bought them in Beijing.They are very cheap, only 50 yuan. 2. I'm Joy. I like white. I have a white bag. I bought in Nanji...
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