题目: 排水泵是用于排地沟水与其它位置积水。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0627/fdafec91e6d8cfdd642f75482eb97f76.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:完形填空 完形填空。 Paper was first invented by a Chinese man called Cai Lun in 105 AD. He made it __1__ the wood of a kind of tree. Today, paper still __2_____ from trees. We use __3_ paper every day. We must begin using __4__ paper now because it _5__ about 100 years for a tree to grow. How can we _6_______ paper? We can use ____7__ sides of every piece of paper. We can reuse envelopes (信封). We can choose drinks in __8___ instead of drinks in cardboard cartons (纸盒). We can use plastic (塑料的) cups and plates instead of paper __9_. We can also use handkerchiefs (手帕) instead of paper tissues (纸巾). We can use fewer paper shopping bags and we can reuse these paper bags __10__ as well. ( ) 1. A. of ( ) 2. A. comes ( ) 3. A. many ( ) 4. A. more ( ) 5. A. takes ( ) 6. A. use ( ) 7. A. every ( ) 8. A. glasses ( ) 9. A. one ( ) 10.A. later B. from B. makes B. a few B. fewer B. spends B. save B. all B. bottles B. ones B. late C. with C. gets C. a lot of C. less C. costs C. get C. each C. boxes C. cups C. latest D. for D. uses D. a little D. smaller D. pays D. make D. both D. cups D. plates D. lately 查看答案
题型:选择题 有人将100粒黄豆均分为两组,一组在黑暗条件下培养,一组在有光条件下培养,其他条件相同且适宜,结果都正常萌发,说明黄豆萌发的必需条件不包括( )A.充足的阳光B.一定的水分C.适宜的温度D.种子是活的 查看答案