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【多选题】
符号“%”表示百分比，系指重量的比例；但溶液的百分比，除另有规定外，系指溶液100ml中含有溶质若干克；此外，根据需要可采用下列符号，下列说法正确的是A.
%（g/g）表示溶液100g中含有溶质若干克
B.
%（ml/ml）表示溶液100ml中含有溶质若干毫升
C.
%（ml/g）表示溶液100g中含有溶质若干毫升
D.
%（g/ml）表示溶液100ml中含有溶质若干克
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【简答题】{集装箱封印失效、丢失或封印站名、号码与票据记载不一致,集装箱箱体损坏发生货物损失时须在发现当日按批编制___。}
【单选题】—Don't _____, my children, keep working on and you will be successful. —Thank you, Mr. Wang. We'll try our best. [ ]
A.
put up
B.
pick up
C.
grow up
D.
give up
【单选题】- Don’t _____, boys. Keep working on and you will be successful. - Thank you, Mr Zhu. We’ll try our best.
A.
put up
B.
turn off
C.
work out
D.
give up.
【单选题】—Don’t ______, my children. Keep working on and you will be successful. —Thank you. We’ll try our best.
A.
put up
B.
give up
C.
work out
D.
give out
【单选题】When ______ through a circuit, the current will lose part of its energy.
A.
flowing
B.
being flowed
C.
flowed
D.
having flown
【单选题】-Where is the nearest bank?-Keep on_ and you will find it on your left.
A.
thinking
B.
running
C.
walking
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