The word “those ” in paragraph 1 refers to _____.
Giải bởi Vietjack
B
Từ “ those” ở đoạn 1 ám chỉ đến
A. nitrat
B. các đặc điểm
C. các phân tử
D. các mô hình
Dẫn chứng: These nitrates have optical and chemical properties that are completely different from those of the originally dry dust particles .
=>Chọn B
What can be inferred about the White House from the information in the second paragraph?
According to the author, the fact that more full-time students are working for pay ______.
Research studies have shown that pressures put on students nowadays are ______.
According to the passage, now that scientists know that unusual neurons in certain people are the cause of migraines, they
Why does the passage begin with a description of the properties of calcium nitrate?
