在一个由小麦--蝗虫--鸟组成的食物链中,如果将鸟捕完,那么小麦的数量将会( ) 发布时间:2017-05-03 08:17 │ 来源:www.tikuol.com 题型:选择题 问题: 在一个由小麦--蝗虫--鸟组成的食物链中,如果将鸟捕完,那么小麦的数量将会( )A.迅速下降B.缓慢上升C.迅速上升D.保持相对平衡
题型:选择题 完形填空。 My name is Li Lei. I am a student. I 1 in No.1 Middle School. 2 six grades in our school. I am in 3 . I go to school 4 in the morning. There are four 5 in the morning and tow in the afternoon. We study Chinese, maths, English and 6 lessons.There are 7 teachers 8 school. 9 goodteachers. They work hard 10 us students.( )1. A. work ( )2. A. I have ( )3. A. class three, grade one( )4. A. in six thirty ( )5. A. teachers ( )6. A. other ( )7. A. two hundred and six ( )8. A. at ( )9. A. All they are ( )10. A. for B. listen B. These are B. class Three, Grade One B. in thirty six B. classes B. others B. two hundred six B. for the B. All them are B. with C. study C. There are C. grade one, class threeC. at six thirty C. books C. the other C. two hundreds and six C. in C. They all are C. to D. read D. It is D. Grade One, Class Three D. at thirty six D. words D. the others D. two hundreds six D. in the D. They are all D. about 查看答案
题型:选择题 阅读下面这首词,完成题目。(6分)春光好 欧阳炯天初暖,日初长,好春光。万汇此时皆得意,竞芬芳。 笋迸苔钱嫩绿,花偎雪坞浓香。谁把金丝裁剪却,挂斜阳?注释:雪坞—背阳处尚未消融的雪坡。小题1:词人笔下的初春有什么特点?作者借此抒发了怎样的感情?(3分)答: 小题2:“笋迸苔钱嫩绿,花偎雪坞浓香”中“迸”“偎”两字极妙,请任选其一简要分析。(3分)答: 查看答案
题型:选择题 如图所示,为一质点在0~22s时间内作直线运动的v-t图像,则下列说法中正确的是()A.CD段和DE段的加速度方向相同B.整个过程中,BC段的加速度最大C.整个过程中,C点所表示的状态,离出发点最远D.BC段所表示的运动通过的路程是34m 查看答案