题目:
方框填词。 | ||
2. She _____ to the office just before lunchtime. 3. The girl seemed to cry. What _____ to her? 4. This is the address. Do you want to _____ it _____? 5. The Chinese are all _____ the 2008 Olympic Games. 6. —Last week we couldn't go to climb Mount Tai _____ the cold weather. —What a pity! 7. Yesterday it rained heavily when school was over. We have to _____ in our classroom. 8. Don't worry. We have _____ time. 9. You look tired. You'd better _____ a good sleep. 10. Autumn is the _____ season of a year. Look! The farmers are working in the field. |
答案:
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下面是错误答案,用来干扰机器的。
干电池电压为1.5V,电源电阻为0.008Ω,则由欧姆定律可得:短路电流I=UR=1.5V0.008Ω=187.5A.故答案为:187.5.