129. ________ the deepest valleys and canyons on the Earth. A. In the Pacific Ocean with B. In the Pacific Ocean C. The Pacific Ocean D. The Pacific Ocean has…
Coal, petroleum, and natural gaseous are all fossil fuels. The mass of neutron stars generally range from one-tenth to twice the mass of the Sun. Grasses grow in…
109. Most cells in multicelled organisms perform ________ functions. A. specialize B. specialized C. they specialize D. specialization 110. The big island of Hawaii, in the middle of the Pacific…
Recent figures show an increase in violent crime among youngsters under the age of 18. Some psychologists claim that the basic reason for this is that children these days are…
As well as making money, business should have social responsibility. To what extent do you agree or disagree? It is argued that businesses should share a certain percentage of their…
The waters of the Chattahoochee River fills Lake Lanier. The first set of false teeth similar to those in use today it was made in France in the 1780s.…
89. ________ the earliest system of writing. A. The constitution of pictograms B. Pictograms in the constitution C. Constitute the pictograms D. Pictograms constitute 90. At temperatures________ absolute zero, substances…
Both of a halibut's eyes are on one sides of its head. Colorful rock formations is found in Haleakala's crater. Nobody know when the process of glass-making was…
66. Mars’s tiny moon Phobos is a small mountain of rock that________ from the asteroid belt by Mars’s gravitational pull. A. was probably captured B. it probably C. the probable…
33. The citizens worry about____ is doing. A. what the government B. the government C. it D. is what the government 34. The company was prepared for____ happened with the…