The author implies that bacteria were investigated earlier than virus cause because ________.
A. bacteria are easier to detect
B. viruses are extremely poisonous
C. viruses are found only in hot climates
D. bacteria are harder to eradicate
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Kiến thức đọc hiểu:
Tác giả ngụ ý rằng vi khuẩn đã được điều tra sớm hơn so với nguyên nhân do vi rút gây ra bởi vì _______.
A. vi khuẩn dễ phát hiện hơn B. vi rút cực độc
C. virut chỉ có ở khí hậu nóng D. vi khuẩn khó diệt trừ hơn
Dẫn chứng: The nature of viruses made them impossible to detect for many years even after bacteria had been discovered and studied. Not only are viruses too small to be seen with a light microscope, they also cannot be detected through their biological activity, except as it occurs in conjunction with other organisms.
Bản chất của vị rút khiến chúng không thể bị phát hiện trong nhiều năm ngay cả khi vi khuẩn đã được phát hiện và nghiên cứu. Vi rút không chỉ quá nhỏ để có thể nhìn thấy bằng kính hiển vi ánh sáng, chúng cũng không thể được phát hiện thông qua hoạt động sinh học của chúng, ngoại trừ khi nó xảy ra cùng với các sinh vật khác.
Chọn đáp án A
Read the following passage and mark the letter A, B, C or D on your answer sheet to choose the word or phrase that best fits each other numbered blanks.
One of the most wondrous and iconic animals to walk the Earth, Bengal tigers, (25) _________ are majestic and rare. They're also one of the biggest cat species in the world. On average, Bengals are larger than (26) _______ tiger species, but the largest tiger ever (27) _______ was a Siberian. As such, Bengals are considered the second largest tiger species.
Today, wild Bengal tigers are animals that only live in Bangladesh, Bhutan, India, and Nepal. (28) _________ there are more Bengals than any other tiger subspecies on the Indian subcontinent, the populations are endangered. Conservation efforts are working to some degree, but they're not (29) __________ the poaching, deforestation, and human encroachment that has devastated wild tiger habitats over the past 50 years.
When the parents have died, the nuns will take ___________ the children.
More than thirty people ________ evidence to the court during the four week trial.
Sleeping resting and to drink fruit juice are the best ways to care for a cold.
Mark the letter A, B, C, or D on your answer sheer to indicate the underlined part that needs correction in each of the following questions.
Physics are one of the core subjects in natural sciences.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the three in pronunciation in each of the following questions.
In their company, people don't like him because he always poke his nose into other people's affairs.
According to the last paragraph, students will get the best result if they use of ________ learning.
Mark the letter A, B, C, or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in each of the following questions.
Mr. Henderson was determined to remain neutral.
Mark the letter A, B, C, or D on the answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
It is probable to rain heavily this evening.
