搜题请搜索小程序“爱下问搜题”
问题
填空题
载流导体发热与（）无关。
答案
参考答案：电压的高低
单项选择题
血液中使血红蛋白氧解离曲线发生右移的因素是()。
A．CO2分压升高
B．pH值升高
C．2，3-二磷酸甘油酸减少
D．温度降低
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改错题
下列各句中均有一处错误，请指出并改正。
( )1.
Do
you
like going
bike
rideing
after dinner
?
A B C D
( )2.
They
had good time
last
Sunday
.
A B C D
( )3.
How about
to go
fishing
with
us?
A B C D
( )4. We
often
go camping
in
weekends
.
A B C D
( )5. He
is
returning back
to
our class
next week
.
A B C D
__________
__________
__________
__________
__________
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