【单选题】砂浆应该随拌随用,当施工期间温度小于30摄氏度,水泥砂浆和混合砂浆必须在拌成后多少时间内使用完毕( )。
【单选题】旅行社应当妥善保存招徕、组织、接待旅游者的各类合同及相关文件、资料保存期不少于( ),以备县级旅游行政管理部门核查。
【单选题】Conversation1
A.
Atsomewhere we don’t know.
B.
At the store the manrecommended.
C.
At the first right afterthe railroad bridge.
D.
At the second right afterthe railroad bridge.
【单选题】I couldn’t follow what he said _______, but at last I understand.
【单选题】I knew we would be friends ____ I met you on campus.
【单选题】下列常用推拿介质中哪种能加强温热散寒的作用,常用于冬春季及小儿寒症?
【单选题】They would be good friends _______ he saw her at the party.
【单选题】砂浆应该随拌随用,当施工期间温度小于30oC,水泥砂浆和混合砂浆必须在拌成后多少时间内使用完毕:()
【单选题】题干:旅行社应当妥善保存招徕、组织、接待旅游者的各类合同及相关文件、资料,以备( )核查。
【单选题】______ we used hand tools; later we had machines.