According to the passage, what can radar detect besides location of objects? A. size B. weight C. speed D. shape
According to the passage, what can radar detect besides location of objects?
A. size
B. weight
C. speed
D. shape
Lời giải:
3. Thông tin: Since human eyes arc not very good at determining speeds of approaching objects, radar can show a pilot how fast nearby planes are moving.
Đáp án: C