单项选择题
In Chinese when someone breaks a bowl or a plate, the host or the people present are likely to say ---碎碎（岁岁平安）as a means of controlling the forces which they believe feel might affect their lives. Whi
单项选择题 （运营主任）空头支票的罚款，由出票人在规定期限内到指定的罚款代收机构主动缴纳；逾期不缴纳的，中国人民银行及其分支机构可采取（）措施
单项选择题 下列鱼类中没有腹鳍的有
单项选择题 Increasing the proportion of unsaturated fatty acids in their membranes is a response of plants to .
