高钾血症是指血清钾超过()
A.2.5mmol/L
B.3.0mmol/L
C.3.5mmol/L
D.5.5mmol/L
E.6.5mmol/L
参考答案:D
In order to obtain the needed information, you should write simply, clearly, and concisely ________the reader wants to know.
A.what
B.that
C.so that
D.which
推进能源资源的绿色化,非化石能源占一次能源消费比重达到()以上,天然气比重达到10%左右,煤炭消费比重控制在60%以内,发展清洁技术。
A.20%
B.10%
C.15%
D.25%