【单选题】This monument was built in honor of the scientist who was believed ______ the first telephone.
【单选题】要将多个文件压缩打包成一个文件,应使用____软件。
【判断题】住双人间的游客要求住单人间,导游可先请领队调解或在团内进行调整。若调解不成,如饭店有空房,应予以满足,但房费自理。
【单选题】The monument was built in honor of the explorer who was believed _____ the river.
B.
to have been discovered
D.
having been discovered
【判断题】每一个IP摄像机都有一个固定的IP地址。()
【单选题】The monument was built in honor of the explorer who was believed__the big river.
B.
to have been discovered
D.
having been discovered