Hệ thống các nguyên tắc và quy phạm pháp luật điều chỉnh quan hệ quốc tế liên quốc gia là nói đến pháp luật

Read the following passage about music and mark the letter A, B, C, or D to indicate the option that best fits each of the numbered blanks from 31 to 40.

SOUND FROM THE PAST

Much of the music we listen to today is a mixture of styles from various countries and time periods. A lot of music has roots in older traditional songs heard in many different countries around the world. Traditional, or folk, music is collected over decades, if not centuries. Younger generations learn these songs from their elders through practice and repetition.

Since music can tell us a lot about different cultures through its lyrics, melodies, and the instruments used, researchers and music fans see music as an essential part of history. They fear that traditional and older types of music are slowly disappearing, partly because they are less likely to be written down or recorded, or because the format in which they are recorded is no longer in use. Also, younger generations may not find such music very appealing, so once older generations pass away, the music may die out with them. Whole genres of music may go extinct.

There is a growing effort to preserve music in its many forms. Some researchers create field recordings – those made outside of a recording studio – to capture live performances. For example, in the early 1900s, social scientist Frances Densmore made recordings of Native American songs that had been sung for many generations but were in danger of falling by the wayside. Researchers also transcribe old music by listening to old recordings – sometimes the only one of its kind left. They try to write out the music so that it can be studied and played by modern musicians.

[I] Collecting music is another form of music preservation. [II] Some collectors are extremely passionate about their music and will spend a lot of time and money looking for things that have not been produced or sold for many years. [III] Their efforts help to document the music of different cultures, genres, time periods, and places. [IV] There are also associations and societies to preserve and celebrate very specific kinds of music.

Now, modern technology makes it much easier to preserve music. Smartphones can be used to record music, while the Internet lets us share these recordings and connect with like-minded enthusiasts. Soon, losing a piece of music may be a thing of the past.

Which of the following best summarizes paragraph 3?

Để đo chiều dài của một cây bút chì viết (khoảng 15 cm) nên dùng dụng cụ đo nào sau đây để cho kết quả phù hợp nhất?

Nhân tố nào sau đây là chủ yếu tạo nên mùa mưa ở đồng bằng ven biển Trung Bộ nước ta?

Đọc đoạn thông tin, chọn đúng hoặc sai trong mỗi ý a), b), c), d) sau đây:

“Nước ta ở xứ nóng, khí hậu tốt,

Rừng vàng, biển bạc, đất phì nhiêu.

Nhân dân dũng cảm và cần kiệm,

Các nước anh em giúp đỡ nhiều.”

(Nguồn: “Nước ta” – Hồ Chí Minh)