‎If pirates get on board ships, crew and ship’s cargo can be protected by using _____.‌ A: tasers B: stun grenade C: dazzle gun D: rubber ball grenade

If pirates get on board ships, crew and ship’s cargo can be protected by using _____. A: tasers B: stun grenade C: dazzle gun D: rubber ball grenade

导弹 A: bomb B: grenade C: missile D: bullet

下列哪些单词的读音包含[ə]音？ A: je B: valise C: te D: grenade

Which one in the following is not the usage of gunpowder? A: fireworks and signal flares B: grenade and cannons C: medicine with which emperors hoped to live longer. D: cosmetics（化妆品）