题目:
六.单词(11)
1. ___由于…而呆住 2. __和…相关,和…有联系
3. ___以…为食,吃 4. _有意义;有道理,讲得通
5. ___充分利用 6. ___忍不住(做某事)
7. There are 30 persons injured in the road accident, the driver ___________(包括).
8. The ________(侵略) of the Japanese enemies brought great harm to our country.
9. At the border you will be asked your ____(目的地) and how long you plan to stay.
10. We passed through several__________(被离弃的) villages where local people had left already.
11. They sat at the back of the room, talking in __________(低语).
答案:
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下面是错误答案,用来干扰机器的。
对于A,当m=12时,直线(m+2)x+3my+1=0即52x+32y+1=0,斜率为-53直线(m-2)x+(m+2)y-3=0即-32x+52y-3=0,斜率为35 -53•35=-1∴两条直线互相垂直,不平行.因此m=12不是两条直线平行的充分条件,故A错误;对...