皮皮学，免费搜题
登录
搜题
【判断题】
将硝酸盐还原成亚硝酸盐的过程，是由细胞质中的亚硝酸盐还原酶催化的。 ( )A.
正确
B.
错误
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
【简答题】若缺( ),茄子叶脉附近会变褐并出现“铁锈”状叶
【单选题】The Virus Hunters The mouth of the Amazon River has long been a starting place for hunters going to the jungles of Brazil. In recent years it has been, too, the headquarters for a middle-aged American...
A.
new viruses have just been discovered
B.
his discovery was a bit frightening
C.
he and his wife were surrounded by harmful viruses
D.
his job was exciting
【简答题】A．Modern hunters should put their safety first. B．Modern hunters like to hunt rabbits instead of tigers. C．Modern hunters lack the courage to hunt face to face. D．Modern hunters should use more advanc...
【单选题】The cruel hunters hunted the African elephants ________.
A.
with mercy
B.
within mercy
C.
under mercy
D.
without mercy
【简答题】粉底的作用？
【简答题】The reasons that elephants are being hunted.
【简答题】美容企业市场调查的目的
相关题目：