题型：问答题 论述题 完形填空。 Kangkang has a good friend. 1 name is Lisa, she is 2 England. They are in 3 same class. Class 1,Grade 7. They 4 go to school five days a week .They 5 by bike. They stay at home on Saturday and Sunday. Lisa 6 China and Chinese food. At school they 7 football after class. Kangkang and Lisa like 8 things. Now they are making a plane. They like flying planes on Sunday. Lisa 9 English and 10 Chinese. They are good friends. ( )1. A. His ( )2. A. comes( )3. A. the ( )4. A. never( )5. A. are ( )6. A. like ( )7. A. are play( )8. A. making ( )9. A. talks( )10. A. many B. She B. coming B. a B. usually B. have B. speaks B. play B. make B. says B. much C. Her C. to C. / C. often C. ride C. likes C. are playingC. to make C. tells C. some D. Hers D. from D. an D. seldom D. take D. has D. play theD. does D. speaks D. any 查看答案
题型：问答题 论述题 675除以27的商，加上55再乘以25，积是多少？列式为（ ）A．675÷27+55×25B．675÷（27+55）×25C．（675÷27+55）×25D．675×（27+55×25） 查看答案
题型：问答题 论述题 All the key words in the article are printed in ______ type so as to attract readers' attention.A．darkB．denseC．blackD．bold 查看答案
题型：问答题 论述题 关于反相色谱，下列说法不正确的是（）A.蛋白质和肽段的分离是基于其疏水性B.疏水性越强的分子与固定相结合越强C.疏水性越强的分子与固定相结合越弱D.结合分子随着有机相比例的增加随之被洗脱下来 查看答案