Which one is not high-density heavy metal according to video 1 in 8.4.1?
A: arsenic
B: chromium
C: lithium
D: lead
A: arsenic
B: chromium
C: lithium
D: lead
举一反三
- 中国大学MOOC: Which one is not one of 4cs according to the video?
- According to the video clip, which city is the greenest one in Asia?
- Watch the video clip and answer the questions1. According to the video clip, which city is the greenest one in Asia?2. According to the video clip, what makes Copenhagen the top one eco-friendly city in the world?
- Which country is the No. 1 in terms of IDV according to the video?
- One language feature of academic texts is the high density of information.