A. find the topic sentences
B. find out the new words
C. keep reading fast
D. go to bed every day
E. keep a note of their reading speed
F. look at your watch every few minutes
In "Speed Reading" courses, teachers often asks students to ______.

单项选择题NASA plans to design the new space craft to ______.

单项选择题According to the passage, some engineers are trying to improve the handlebars because ().

A. they are not noble enough
B. they may kill children
C. they are likely to crash
D. they make the bike move at a low speed