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Các bạn học sinh KHÔNG ĐƯỢC đăng các câu hỏi không liên quan đến Toán, hoặc các bài toán linh tinh gây nhiễu diễn đàn (như 1+1 = ?). Online Math có thể áp dụng các biện pháp như trừ điểm, thậm chí khóa vĩnh viễn tài khoản của bạn nếu vi phạm nội quy nhiều lần.

Chuyên mục Giúp tôi giải toán dành cho những bạn gặp bài toán khó hoặc có bài toán hay muốn chia sẻ. Bởi vậy các bạn học sinh chú ý không nên gửi bài linh tinh, không được có các hành vi nhằm gian lận điểm hỏi đáp như tạo câu hỏi và tự trả lời rồi chọn đúng.

Mỗi thành viên được gửi tối đa 5 câu hỏi trong 1 ngày

Hãy đọc và làm theo bạn nhé !

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer for each of the blanks from 28 to Question 50. Fill in the appropriate word in question 31

In the late 1930s, a group of leading American scientists seeking dinosaur fossils made some noteworthy (28) ___________. Although one of their expeditions discovered no fossils, it proved nonetheless historic expedition, which took place along the banks of the Paluxy river in Texas, something extraordinary was revealed: a dinosaur track, clearly distinguishable in the rock. These dinosaur footprints (29) ___________ their preservation to the salts and mud that covered them and then hardened into rock, before coming to light 100 million years later. Tracks like these are (30) ___________ to experts. There have been great gaps in scientists’ understanding of dinosaur behavior, and so such footprints are useful since they provide direct evidence of how dinosaurs actually moved. Scientists have used these and (31) ___________ footprints to determine how quickly different species walked, concluding that many kinds of dinosaur must have travelled in (32) ___________.

A. different

B. the others

C. other

D. another

1. I eat less chocolate than she does.

2. There is more rice on the plate than there is in the bowl.

3. He has more homework to do than she does.

4. Her class has fewer girls than my class does.

5. There aren't as many theaters in a small city as there are in a big one.

6. It take me half an hour get to work.

7. It is the cheapest computer you have?

8. How much does this dictionary cost?

9. Not only does Maria play the piano badly but also her friends play the same as her.

Both Maria and her friends play the piano badly.