(1) It took Xiaohong 30 seconds to put on the red scarf.

(2) A movie was shown for 2 hours.

(3) Xiao Ming took about 11 seconds to run 50 meters.

(4) Feel your pulse. It beats about 80 times in 1 minute.

(5) It took 2 hours for a bus to go from Hangzhou to Shangyu;

So the answer is: seconds, hours, seconds, minutes, hours.