What is construction manager

A Construction manager look after and lead a range of building projects from beginning to end. They are responsible for setting and keeping schedules, monitoring finances, and making certain that everybody is doing what they should, every day. Construction managers also help ensure that the workplace is free of safety hazards, and they deal with the various working relationships that exist on a job site.

Explanation:

the sentence that best describes the tone of the passage from the radio broadcast compared to the passage from the book is b. the radio broadcast has a more surprised tone.

consider the text evidence: in the passage from the book, the description is more matter-of-fact. it is simply describing the things resembling little grey snakes, but there is no urgency in the description. on the other hand, in the passage from the radio broadcast, there is definetely urgency (you can tell from the expression used, "good heavens", which clearly indicates surprise.)