【多选题】以下通过视液镜检查制冷剂数量的检查条件中,正确的是
【单选题】Mr Smith had a trip to China last summer. Which of the following is the picture he took there? [ ]
【单选题】What did the man put up on his wall yesterday?
A.
The picture he drew on his vacation.
C.
His picture taken last year.
【单选题】Sam had a trip to Australia last summer. Which of the following is the picture he took there? [ ]
【单选题】-What’s wrong with him? --The picture he came across____ his memory of a sad story in his childhood.
【判断题】87 “脱毒苗”是指不含该种植物的主要危害病毒。
【单选题】—What’s wrong with him? —The picture he came across his memory of a sad story in his childhood.