皮皮学，免费搜题
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【单选题】
下列对根描述不正确的有( )。A.
除了主根和侧根，生长在茎、老根上的根叫不定根
B.
须根系比直根系更利于植物的固定
C.
根的延长区是根吸收水分的主要部分
D.
根冠细胞在生长过程中不断磨损，由分生区细胞分裂加以补充
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The food here is so bad that every other restaurant in the world must be ____ this one.
A.
referred to
B.
eager to
C.
tired of
D.
superior to
【简答题】句型转换 1. Football is my favourite sport.(改为同义句) I football . 2. I think the food here is expensive.(改为同义句) I think the food here is ______. 3. Betty is better than Li Ping at swimming.(改为一般疑问句) _______...
【单选题】— The food here is nice enough. — My friend _____ me a right place.
A.
introduces
B.
introduced
C.
had introduced
D.
was introducing
【简答题】3 The food here is . This is the best café
in town.
【单选题】亚硝酸盐中毒的猪,可出现皮肤发紫,呼吸极度困难,这是因为( )
A.
呼吸中枢受毒害
B.
呼吸肌麻痹
C.
呼吸道堵塞
D.
血红蛋白失去携氧功能
E.
血液C02过低
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