A. injuriesB. symptomsC. coldsD. diseases
A. injuries
B. symptoms
C. colds
D. diseases
查看答案
Which of the following can be found in the archive gallery？
A. History books．
B. The Wright brothers’s culpture．
C. First practical airplanes built in the late l 9th century．
D. Leonardo da Vinci’s bird-like flying machines
A. damageB. predictC. destroyD. affect
A. damage
B. predict
C. destroy
D. affect
Nanoconveyors could be used to____________．
请在第____处填上正确答案。
A. plant
B. source
C. equipment
D. 1ine
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