From me :

hai sheelewibu! disini aku bakal bahas soal pertanyaan kamu, jadi tolong jadikan jawaban terbaik yaa? hehe

Answers :

1) the purpose of the text is :

To tell people about China's newest train prototype that can hit speeds of 620 kilometers/hour

2) the text tells us about :

China's high-speed maglev train prototype

3) when peoples are reading the text, the expected reactions are :

Stunned and amazed

4) some tense that mostly used in the text :

China, Maglev train, prototype, etc

5) penjelasan : ( kalau jawaban nya agak panjang bisa di ringkas sendiri yaa☺️✌️)

In english writing, quotation marks or inverted commas, also known informally as quotes, talking marks, speech marks, are punctuation marks placed on either side of a word or phrase in order to identify it as a quotation, direct speech, or a literal title or name.

In this case of text, we will find a direct speech sentence, written between quotation marks in the 5th paragraph

jangan lupa jadikan jawaban terbaik yaa!

terimakasih! semangat belajar!