Why does the passage begin with a description of the properties of calcium nitrate? A. To give background information so the reader can understand the topic better. B. Because calcium nitr

11 29/09/2024

Why does the passage begin with a description of the properties of calcium nitrate?

A. To give background information so the reader can understand the topic better.

B. Because calcium nitrate is the main idea.

C. They show how elements combine to create calcium nitrate .

D. To prove the existence of calcium nitrate

Trả lời

Tại sao tác giả bắt đầu bài đọc bằng sự mô tả các đặc điểm hóa học của canxi nitrat?

A. Để cung cấp sự hình thành nền tảng vì vậy người đọc có thể hiểu chủ đề tốt hơn.

B. Bởi vì canxi nitrat là nội dung chính.

C. Để thể hiện các phân tử kết hợp như thế nào để tạo ra canxi nitrat.

D. Để chứng minh sự tồn tại của canxi nitrat.

=>Chọn A

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

Câu hỏi cùng chủ đề

______ is over your head is just an exaggeration because you have well prepared for it over the years. A. This entrance exam B. What this entrance exam C. That this entrance exam D. It i

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

18 2 tuần trước

He built up a successful business but it was all done ______ of his health. A. at the price B. by the expense C. at all cost D. at the expense

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

20 2 tuần trước

If I weren’t afraid of travelling by air, I ______ to go to American by ship, which took me much longer time. A. I hadn’t had B. I wouldn’t have had C. I shouldn’t have had D. I wouldn’t h

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

15 2 tuần trước

There are ______ that not only governments but also individuals should join hand to tackle. A. too numerous environmental problems B. such a lot of environmental problems C. so fewer envir

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

16 2 tuần trước

______ irritating they are, you shouldn’t lose temper with small children. A. No matter how much B. As much as C. However D. Although

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

14 2 tuần trước

You should accept the Nokia mobile phone as a 16–birthday present from your parents delightedly. Don’t ______. A. look gift horse in the mouth B. buy it through the nose C. pull my leg D

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

14 2 tuần trước

Your sister has lost an awful lot of weight. She must have been on a diet, ______? A. mustn’t she B. needn’t she C. haven’t she D. hasn’t she

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

14 2 tuần trước

Just as you arrived, I ______ ready to go out. A. have got B. was getting C. would get D. have been getting

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

17 2 tuần trước

The press thought the sale manager would be depressed by his dismissal but he just ______. A. turned it down B. called it off C. spoke it out D. laughed it off

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

19 2 tuần trước

British Leyland is aiming to push ______ its share of UK car sale to 25% over the next two years. A. on B. up C. through D. out

32000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án

18 2 tuần trước

Xem tất cả

Why does the passage begin with a description of the properties of calcium nitrate? A. To give background information so the reader can understand the topic better. B. Because calcium nitr

Trả lời

Câu hỏi cùng chủ đề

______ is over your head is just an exaggeration because you have well prepared for it over the years. A. This entrance exam B. What this entrance exam C. That this entrance exam D. It i

He built up a successful business but it was all done ______ of his health. A. at the price B. by the expense C. at all cost D. at the expense

If I weren’t afraid of travelling by air, I ______ to go to American by ship, which took me much longer time. A. I hadn’t had B. I wouldn’t have had C. I shouldn’t have had D. I wouldn’t h

There are ______ that not only governments but also individuals should join hand to tackle. A. too numerous environmental problems B. such a lot of environmental problems C. so fewer envir

______ irritating they are, you shouldn’t lose temper with small children. A. No matter how much B. As much as C. However D. Although

You should accept the Nokia mobile phone as a 16–birthday present from your parents delightedly. Don’t ______. A. look gift horse in the mouth B. buy it through the nose C. pull my leg D

Your sister has lost an awful lot of weight. She must have been on a diet, ______? A. mustn’t she B. needn’t she C. haven’t she D. hasn’t she

Just as you arrived, I ______ ready to go out. A. have got B. was getting C. would get D. have been getting

The press thought the sale manager would be depressed by his dismissal but he just ______. A. turned it down B. called it off C. spoke it out D. laughed it off

British Leyland is aiming to push ______ its share of UK car sale to 25% over the next two years. A. on B. up C. through D. out

Danh mục