According to the passage, the trap-jaw ants jaws keep them safe because______.
A.they can catch their enemies easily with their jaws
B.their jaws make them difficult to recognize
C.their jaws help them find food easily
D.their jaws help them escape from their enemies
A、A. The dark side faces outwards, and the side with the metallic strip faces upwards B. Fold up and down to cover the nose and chin C. Move the metallic strip to make it close to the bridge of the nose to prevent side leakage D. Continue to use contaminated masks
B、A. The dark side faces outwards, and the side with the metallic strip faces upwards B. Fold up and down to cover the nose and chin C. Move the metallic strip to make it close to the bridge of the nose to prevent side leakage D. Continue to use contaminated masks
C、A. The dark side faces outwards, and the side with the metallic strip faces upwards B. Fold up and down to cover the nose and chin C. Move the metallic strip to make it close to the bridge of the nose to prevent side leakage D. Continue to use contaminated masks
D、A. The dark side faces outwards, and the side with the metallic strip faces upwards B. Fold up and down to cover the nose and chin C. Move the metallic strip to make it close to the bridge of the nose to prevent side leakage D. Continue to use contaminated masks
A、free electron and cation
B、valence electron transfer
C、shared electron pair
D、attraction of the electric dipoles
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!