1.His ( ) expression ( ）us.A.amusing;amused B.amusing;amusing C.amused;amused D.amused;amusing2.Nick has made good progress （ ) his study this year.A.at B.on C.with D.of

expression. 1.His ( ) expression ( ）us.A.amusing;amused B.amusing;amusing C.amused;amused D.amused;amusing2.Nick has made good progress （ ) his study this year.A.at B.on C.with D.of 英语翻译By imposing his presence on the meeting,the director prevented free expression of opinion. He looked at her with a _____(help) expression on his faceThank you very much I turned to face him and smiled despite his expression was torn when he saw me. i could tell he was surprised from the expression on his face的中文意思 Look,the expression on his face s____ that something bad must have happened to him. His expression suggested that he___happy.A.wasB.isC.areD.were这题选D．为什么呢? 英语翻译1.pEt22b is a bacterial expression vector from Novagen.2.T7 promoter.3.Amp resistant.4.N-terminal pelB signal sequence for potential periplasmic localization.5.optional C-terminal His tag.6.lacIq.7.multiple cloning sites. expression是什么意思? missing expression expression是什么意思? 英语语法：A ________ expression appeared on her face when she learned his ________ bicycle hadA ________ expression appeared on her face when she learned his ________ bicycle had been stolen.A.surprised; raceB.surprising; raceC.surprised; racing The ______on his face told me that he was angry.A. impression B. sight C. appearance D. expression I was( ) to find an ( )expression on his face.A.surprising,exciting B.surprised,excitedC.surprising,excited D.surprised ,exciting The ____on his face told me that he was anary.A.impression B.sight C.appearance D.expression My mum always told me never to judge a personby his _____.要填expression还是appearence?还有原因 He saw how she is feeling, I looked at his watch her expression how mood 什么意思?