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【多选题】
超临界流体萃取技术的特点体现在A.
设备投入小，成本低
B.
用二氧化碳作为流体时，分离过程可在常温下进行
C.
无溶剂残留
D.
分离工艺流程简单
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举一反三
【简答题】The managing director promised that he would _____ meas soon as he had any further information. A. communicate B. notice C.notify D. note
【单选题】What did the man promise to do?
A.
He promised to give her a refund.
B.
He promised to give her a free trip next year.
C.
He promised to give her a ten percent off on next year's holiday.
D.
He promised to give her a twenty percent off on next year's holiday.
【单选题】He knew the problem was serious and promised to look into it _____ he reached office.
A.
at that moment
B.
for that moment
C.
immediately
D.
soon
【简答题】When he left his parents he promised them that he would ______(尽量多写家信).
【单选题】Jerry promised that he would be back ____ 2 o'clock while Rodman promised that he would turn up ____ 2 hours. [ ]
A.
after; after
B.
after; in
C.
at; after
D.
in; in
【单选题】He knew the problem was serious and promised to look into it ____ he reached office. [ ]
A.
at that moment
B.
for that moment
C.
soon
D.
immediately
【简答题】He had promised me to come to the party, and_____. A. sodid he B. sohe did C. so hewould D. so would he
【单选题】“Mr Smith isn’t coming tonight.” “ But he _____.”
A.
promises
B.
promised
C.
will promise
D.
had promised
【单选题】He ____ to come today, but he didn't keep his ____. [ ]
A.
promise; promise
B.
promised; promised
C.
has promised; promise
D.
promised; promise
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