【单选题】What does the man decide to do at last?
A.
Make up the missed lessons.
B.
Stop taking part-time jobs.
D.
Transfer to another school.
【单选题】What does Tim do on Sunday?
【简答题】下图为显微镜结构示意图,请据图回答: (1)取放显微镜时,应一手握紧[ ] ,一手托住[ ] 。 (2)对物体起放大作用的结构是[ ] 和[ ] 。 (3)可以调节镜筒上升和下降的结构是[ ] 和[ ] 。 (4)能把光源的光反射入通光孔的结构是[ ] 。 (5)可以调节通光孔进光量的是[ ] 。 (6)按照图中显微镜当前的状况(目镜为10×,物镜为...
【单选题】下列那些反应不是植物的抗旱适应( )。 (1)叶片面积减小;(2)叶片表面的沉积蜡质;(3)根冠比大增大;(4)根系向深层、湿润的土壤延伸;(5)乙烯含量提高,加快植物部分器官的脱落;(6)脱落酸从根部合成运向地上部分导致气孔关闭;(7)脯氨酸、甜菜碱等物质积累;(8)幼叶向老叶吸水,促使老叶枯萎死亡;(9)细胞的渗透调节维持植物的水分平衡;(10)诱导了一些植物体内的景天酸代谢途径;(11)渗透...
【简答题】Rachel: What does Diana do?Mike: She's______artist.2. Tim:______?Jeff: They're teachers.3. Chris: What does Dave do?Ana: He's______programmer.4. Miriam: What does Jorge do?Sophie: He's______actor.5. M...
【单选题】What does Tim offer to do?
A.
To be a volunteer for the new students before classes begin.
B.
To give the guided tours on Thursday and Friday.
C.
To spare a couple of hours to give the guided tours.
D.
To get in touch with Ken to set the schedule up later today.