【简答题】A. generally B. basically C. usually D. certainly
【简答题】A.unwillingly B.occasionally C.doubtfully D.certainly
【判断题】劈尖干涉图样中,当观察反射光时,棱处是暗条纹。
【简答题】A.too B.though C.still D.certainly
【简答题】Advertising is certainly part of marketing.
【单选题】cloud captain certainly picnic
【单选题】党的十八大以来,我国生态环境保护从认识到实践发生了历史性、转折性和( )变化,生态文明建设取得显著成效。
【简答题】A.too B.still C.though D.certainly