在碱性溶液中()
A、[H+]=10-7mol/L
B、[H+>10-7mol/L
C、[H+]<10-7mol/L
参考答案:C
用所给动词的适当形式填空。
小题1:I look forward to (enter)the film industry one day in the future.
小题2: you ever (consider)buying a new MP5 player.
小题3:He often enjoys (breathe)fresh air deeply wish his eyes closed by the river.
小题4:She (reply)to some e-mails before she went to bed.
小题5:It took 20 minutes (present)the students with the Awardsof excellent studying
采有联合接地电阻一般不大于().
A、1欧
B、8欧
C、4欧
D、10欧