【单选题】听力原文: A country's latitude, or distance from the equator, has an important effect on its climate. In places located at low latitudes, or near the equator, like Ecuador and northern Brazil, the amount ...
【单选题】6
A.
It was the biggest earthquake that happened in Ecuador
B.
It was the worst natural disaster in Ecuador since 1949
C.
It has brought about the biggest challenge in Ecuador
D.
It has sounded an alarm to environmental protection
【判断题】需要多次拉深的零件.在保证必要的表面质量的前提下,应允许内、外表面存在拉深过程中可能产生的痕迹。
【单选题】听力原文: A country's latitude, or distance from the equator, has an important effect on its climate. In places located at low latitudes, or near the equator, like Ecuador and northern Brazil, the amount ...
【单选题】Which of the following countries has adopted the U.S. dollar as its own currency?
【单选题】在生命科学的命题中,下列哪一个不是经常出现的试题内容的失误情况
【单选题】听力原文: A Boeing 727 aircraft with 51 passengers and 10 crew on board has crashed into a mountain side just outside the Columbia capital, Bogota. Police and rescue workers said everyone was killed when ...
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
It's a country surrounded by the Pacific Ocean.
B.
It's a long country with 1 285 000 kilometers.
C.
It's a country with a lot of mountains.
D.
It's a country full of natural resources.
【判断题】需要多次拉深的零件,在保证必要的表面质量的前提下,应允许内、外表面存在拉深过程中可能产生的痕迹。()
【判断题】醇型制动液的原料容易得到 ,合成工艺简单,产 品润滑性好;缺点是沸点低,低温时性质不稳定