简答题:What was used to carry most mail after the colonies became a 题目分类:公共英语五级 题目类型:简答题 查看权限:VIP 题目内容: What was used to carry most mail after the colonies became a nation? 参考答案: 答案解析:
How many people depend on local rice and food in South Asia How many people depend on local rice and food in South Asia currently?A.More tha 分类:公共英语五级 题型:简答题 查看答案
下导管时,其底口距孔底的距离不大于( ),同时要能保证首批混凝土灌筑后能埋住导管至少( )。 下导管时,其底口距孔底的距离不大于( ),同时要能保证首批混凝土灌筑后能埋住导管至少( )。A.40~50cm 50cm B.60~80cm 100cm 分类:公共英语五级 题型:简答题 查看答案