【单选题】
As I turned around, I heard a loud noise [] for the bookshelf had collapsed.
【单选题】
The computer could calculate much faster and better than man [] however, it could not drink.
【判断题】
A comma is used to introduce an explanation, a summary, or an appositive.
【判断题】
A single dash sets off a parenthetical element.
【判断题】
A semicolon is used to introduce a quotation or a statemetn.
【判断题】
The semicolon is used between two coordinate clauses which are not linked by a conjunction.
【单选题】
He wrote a lot of novels, and many of [] were translated into English.
【单选题】
It is his doy, according to Li Lei, [] saved him from the trap.
【单选题】
Kunming is my favorite city [] in fact, I plan to spend a month there this summer.
【单选题】
John decided [] nonetheless, not to buy the car.