1.They are going to _______________（紧急情况时调动军队）.
　　2. Swimming in the sea _______________（有助于增进体力和毅力）.
　　3. They called on Black people to ________________（反对征召黑人青年当兵）.
　　4. _______________（她表现出了很强的自制力）when they told her the news.
　　5. He is said to ________________（一直在工作而不是一直在学习）in the U.S.A.

　　答案与解析：
　　1. mobilize the army in an emergency
　　2. helps to build up both physical strength and willpower
　　3. to oppose the drafting of Black youth
　　4. She displayed great self-control
　　5. have been working instead of studying