【单选题】It ______ heavily last Saturday and there was deep snow in the garden.
【单选题】This race was her last chance to win a placeon the national team so everything was ______.
【简答题】It snowed-______ last year but not enough for us to use our snow boards, (occasion)
【单选题】下列关于电子签名的说法中正确的是( )。
【多选题】电子签名的概念主要包含以下内容:
D.
电子签名必须能够表明签名人认可与电子签名相联系的数据电文的内容
【单选题】All the ground was covered ______ snow last night.
【简答题】This race was her last chance to win a place on the national team so everything was ______. A. erous B. in stake C. at stake D. in charge
【简答题】大戟科植物的一个显著特征是均具有乳状汁。( )