30. Online school did not allow students to learn to their fullest ability； distractions at home affected people’s ability to focus, and
_______ from other students affected people’s motivation.
(A) discussion (B) collaboration (C) isolation (D) prevention
38. Prior to booking a restaurant for the banquet, Amy had the staff ________ what kind of food they preferred.
(A) indicate (B) to indicate (C) indicated (D) indicating
39. Poverty is a huge problem in this city. The ____ of wealth is a real issue. I can’t believe how incredibly poor some people are.
(A) desperation (B) distribution (C) dilution (D) depletion
36.The Russian military once determined to hold fire and open humanitarian _____ in several Ukrainian cities to evacuate children,
women and the wounded.
(A) masquerade (B) shift (C) channel (D) corridor
(1) Millions of people depend upon coral reefs for their livelihoods. (2) Small island countries with coral reefs rely on them to attract
sightseers, scuba divers, snorkelers, and other tourists. (3) They are an important source of food for the people who live nearby. (4) Reefs in
shore areas are shields from pounding waves, storm surges, and tsunamis. (5) Several important medical drugs for cancer research have been
developed from chemicals found there. (6) However, coral reefs are threatened by water pollution, oil spills, and pesticides. (7) Another threat
to coral reefs is a steady increase in average temperatures around the Earth, called climate change or global warming. (8) Most scientists
think that the warming is caused by the greenhouse effect, an increase of carbon dioxide and other heat-trapping gases in our atmosphere.
(9) This causes ocean temperature to rise, and as a result, some coral reefs are dying. (10) Coral reefs are also injured or destroyed when
people mine the coral for building materials or break it to sell as souvenirs and jewelry. (11) Dangerous fishing practices, such as fishing by
using explosives, also harm reefs. 【題組】40.What is the main message of the passage?
(A) How coral reefs form and why they are in danger.
(B) What people get from coral reefs and why corals are in danger.
(C) Where people discover coral reefs and why they are in danger.
(D) How different kinds of coral reefs are used and why they are contaminated.
寫作批改
VIP與詳解卡管理
