题目： 变压器差动保护产生不平衡电流的原因有哪几点？ 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1005/0cbe3152c5c64148b5dde0587bd1bde3.html 下面是错误答案，用来干扰机器的。参考答案：A
题型：完形填空 完形填空。 Sam 1 Jim are 2 near Mr Green's house. They- are throwing a Frisbee (飞盘). Sam can't throw 3 Frisbee. Jim says to him, " 4 throw it like this." "Like this?" "Yes, good!" "Look out (当心)!" "Oh 5 !" Mr Green's 6 is broken. 7 is drinking 8 under a tree. "I'm 9 , Mr Green " Sam says. Mr Green says, "It doesn't matter. Please 10 play near my house next time (下次)."( )1. A. and ( )2. A. plays ( )3. A. a ( )4. A. Listen ( )5. A. dear ( )6. A. coat ( )7. A. I ( )8. A. rice ( )9. A. sorry ( )10. A. doesn'tB. or B. play B. the B. Look B. Dad B. bed B. She B. tea B. nice B. do C. but C. playing C. an C. Watch C. MumC. window C. He C. noodles C. fine C. don't 查看答案
