题目

用所给的动词的适当形式填空 1.He ________ ( like) to listen to the radio in the morning. 2. We look forward to ________ (have) a long holiday . 3. My mother often ___________(watch ) TV after supper . 4. I’d like __________ (go) to school by bike.? 5. May I _________ (swim) here ? 6. Mary enjoys            ( listen ) to the music at night . 7. We             (not be) in the same class 8. _____ he usually _____ (finish) doing his homework before 9:00 ?  9. Julia is busy _________ (do) her homework now . 10.Tom, _______ (open) the door ,please 6．在平面直角坐标系中，过一点分别作坐标轴的垂线，若与坐标轴围成的长方形的周长与面积相等，则这个点叫做和谐点，如，在图中，过点P分别作x轴、y轴的垂线，若与坐标轴围成的长方形OAPB的周长与面积相等，则点P是和谐点．（1）请判断点M（1，3），N（3，6）是否为和谐点，并说明理由；（2）若和谐点P（a，3）在直线y=x+3b（b为常数）上，求a、b的值．