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.
CARNIVOROUS PLANTS
All plants rely on nutrients taken from the soil in order to survive. However, in areas where the soil does not contain enough (35)_____ nutrients, some plants have adapted to (36) _____ their diets from another source: living organisms. Though they are few in number, carnivorous plants are (37)_____ fascinating beings that “eat” anything from one-celled organisms to insects in order to survive. They are commonly found in marshlands. Carnivorous plants feature one of several types of “traps” to ensnare prey, which they consume to make up for nutrients that may be missing from the soil. While there are over 400 species of carnivorous plants in the world today, some are more (38)_____ than others.
The most well-known of these plants are the snap traps, which include the Venus flytrap. Snap traps are easily identified by their leaves, which are separated into two lobes that have the ability to fold together. Inside the lobes, the surface is covered with tiny hairs that are (39) _____ to movement. When the plant’s prey brushes against the hairs, it triggers a closing mechanism that rapidly brings the two lobes together, trapping the prey (40)_____ inside. The response of the traps is phenomenal (41)_____ speed: the time between triggering the hairs and snapping shut is less than a second. As the prey struggles inside the trap, it only triggers more hairs, causing the leaves to tighten their (42) _____. The plant then secrets liquid chemicals from special glands into the trap to dissolve the prey and absorb all of its nutrients. Besides the Venus flytrap, only one other type of snap trap exists today, (43)_____ to as the waterwheel plant. The two share a common ancestor and differ only in a few ways. For instance, the waterwheel is an aquatic plant, while the flytrap is exclusively terrestrial. In addition, the flytrap feeds primarily on arthropods like spiders, while the waterwheel lives (44)_____ simple invertebrates, like certain types of plankton.
Điền vào ô 35
A. critical
B. vital
C. Crucial
D. indispensable
Giải bởi qa.haylamdo.com
Đáp án : B
Chọn B “vital” nghĩa là “cần thiết, thiết yếu”.
Students are often advised to look at the first and last_________of a book before attempting to read it in details.
The song has ______ been selected for the 22nd Sea Games, Vietnam.
Kitchen appliances called blenders became ______ in the 1930s, when Stephen B. Poplawski developed a machine that excelled at making his favorite drink
It is possible ______ may assist some trees in saving water in the winter.
Although he hadn’t spoken French for many years, he picked it _____ again after a few weeks
Chosen as the nation’s capital at the end of the American Civil War, ______ the city of over a million people
Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the followings.
I couldn’t see what she was doing. It was so dark down there.
People usually can get sufficient ______ of the calcium their bodies need from the food they consume.
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the main stress
