下列物体A所受重力的示意图中,正确的是( )
红眼雌果蝇与白眼雄果蝇交配,子代雌、雄果蝇都表现红眼,这些雌雄果蝇交配产生的后代中,红眼雄果蝇占1/4,白眼雄果蝇占1/4,红眼雌果蝇占1/2。下列叙述错误的是( )
选择合适的选项完成对话。
Cheng Jie: Good morning!
Amy: ____
Cheng Jie:Nice to meet you.
Cheng Jie: ____
Amy: My name is Amy.
Cheng Jie:____
Amy: I'm from the USA.
A. Where are you from ? B. Nice to meet you, too.
C. What's your name? D. Good morning.