【简答题】Listen and judge. ( )1. I went skating. ( )2. I went to school at 5:00. ( )3. Amy cleaned the room last weekend. ( )4. I have a toothache. ( )5. She has a bad cold.
【单选题】On the National Day, up _____ into the air. Then the crowed cheered.
【单选题】I wonder _____ Mom will buy me a Christmas present this year.
【单选题】内源性抗原肽与MHC I类分子结合的场所是
【单选题】内源性抗原肽与MHC I类分子结合的部位是在
【单选题】The Japanese company went______after the fire, which burnt almost all of its property.
【判断题】“绿色物流”具有共生、节约、循环、可持续等特点。
【单选题】内源性抗原肽与MHC I类分子结合的部位是在
【单选题】Mom, I _____if we can go back to our home town this summer vacation. [ ]
【单选题】内源性抗原肽与MHC I类分子结合的部位是在: