问题
单项选择题
17世纪中叶A.V.Leeuwenhoek用自制显微镜观察到了（）
A.植物细胞的细胞壁
B.精子、细菌等活细胞
C.细胞核
D.高尔基复合体等细胞器
E.细胞的有丝分裂
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
17世纪中叶A.V.Leeuwenhoek用自制显微镜观察到了（）
A.植物细胞的细胞壁
B.精子、细菌等活细胞
C.细胞核
D.高尔基复合体等细胞器
E.细胞的有丝分裂
参考答案：B
完形填空（共20小题，每小题1.5分，满分30分） Miss Green was watching TV. Suddenly the program stopped . "Now we broadcast an important notice from the 36 : At about nine this evening , an old woman of 79 ,named Mrs Humney , was 37 and killed by a robber (抢劫犯)wearing a green coat . Those wh  o can supply any clue (线索）are requested to 38 to the police ." The 39 news made the lonely girl filled with 40 .She couldn't help looking around .But she didn't 41 that a man was already behind the door.Suddenly the man _42 before Miss Green . The girl didn't know what to __43 . " Just put your necklace on the table, then I’ll 44 whether I shall be safe to stay here for the night." said the robber. That made her even more terrified , but she tried to 45 herself. Just then there came the whistle of a police car .Then 46 the door bell. The man said with a pistol(手枪） 47 the girl's back, " Don't 48 the door. Never let him in." But the girl got a(n) 49 . She asked the man outside the door , " Who is it ?" "I'm Bull. Is there 50 unusual here ?" "No, there isn't ." Immediately she added 51 ," only 52 and I are here." "Good night, " Bull replied in the same loud voice. A few minutes later. The sound of the 53 died away. " It's well done, " the robber laughed. Almost at the same time the glass was 54 into pieces . The policemen 55 into the room and caught the robber. "Miss Green , what you said made us take action right away, " said Bull, " for we know that you have no brother." 36. A. police B. government C. army D. prison
小题4: A. anger B. fear C surprise D. sadness
|