题目

单词拼写【1】Mark is c________(谨慎的）shopper who always does some careful research.【2】In the past five years Jiangsu has c_________(贡献）much to the Belt and Road.【3】Smart phones makes it easier and more c__________(方便的) to check emails.【4】It was a challenging time for everyone, but dad remained o__________(乐观的).【5】The application should be carefully prepared, thus you can have a________(精确的)knowledge of your abilities.【6】His face was s_______(肿胀的) with toothache, so I advised him to see a dentist.【7】The movie t_________(转变) h下列与细胞有关的叙述，正确的是A.蓝藻细胞的增殖需要中心体的参与B.紫色洋葱片叶外表皮细胞中的色素吸收光能用于制造糖类C.根瘤菌合成蛋白质的过程是在大豆根细胞的核糖体内完成的D.鲜肉过一段时间后再煮，味道更加鲜，可能与溶酶体的作用有关