皮皮学，免费搜题
登录
搜题
【单选题】
下列各种措施中,可以减小偶然误差的是A.
进行空白试验
B.
进行对照试验
C.
进行仪器校准
D.
增加平行测定次数
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】I don’t think he could have done such a stupid thing last night, ________? [A] do I [B] could he [C] has he [D] did he
【单选题】The last sentence 'I did the right thing' implied he______．
A.
traveled with his wife
B.
had a successful marriage
C.
liked the watch very much
D.
waited for another eight years
【简答题】新脑皮从______类开始出现；泪腺从______开始出现。
【单选题】I don't think Richard could have done such a stupid thing last night, ________? [ ]
A.
do I
B.
could he
C.
did he
D.
has he
【简答题】自动换行的标记是哪个?
【简答题】原脑皮从()开始出现.中耳从()开始出现。
相关题目：