Attach the track to the channels with the ____. A: Attach the track to the channels with the bolts. B: Bolt track to channels.

isthe exiting track that continues straight. A: diverging track B: point blade C: straight track

isthe exiting track that turns away from the main route. A: diverging track B: straight track C: unning rail

It is difficult to ______ all the new ideas and developments in education. A: be on the track of B: make tracks C: cover the track of D: keep track of

The figures show that our economy is healthy and we are _______ to achieve sustainable and balanced (平衡的) growth. A: in track B: on track C: by track

track

dedicated line A: a track for exclusive use B: a track already being used

A _______ line is a track used exclusively for a high-speed train. A: train B: track C: welded D: dedicated

High-speed oval track True to its name, high-speed oval track is a closed oval shape track about 10 km long with 4 lanes, 30 degree inclining in the bend (see Fig.10-5).

What is the target to recognize the signal words of time? A: To find out the characters in a paragraph B: To keep track of the background information C: To keep track of important details or stages of an event D: To keep track of the time and place