The word it in paragraph 1 refers to _______
B
Từ “it” ở đoạn 1 ám chỉ đến
A. sự di cư
B. ẩm thực của Puerto Rican
C. Lịch sử của người Caribe
D. vẻ đẹp tự nhiên của hòn đảo
Dẫn chứng: Immigration to the island has helped to shape its cuisine, with people from all over the world making various contributions to it.
=>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 ______.
Why does the passage begin with a description of the properties of calcium nitrate?
According to the passage, now that scientists know that unusual neurons in certain people are the cause of migraines, they