The material of the piano is mostly ___. A. wood and metal B. plastic and glass C. leather and cloth D. paper and stone 相关知识点: 试题来源: 解析 A。钢琴的主要材料是木头和金属,A 选项符合实际;B 选项塑料和玻璃不是钢琴的主要材料;C 选项皮革和布料通常不是;D 选项纸和石头更不是。...
the most timely deliv the mostly mozart fes the motagua fault the mote in gods eye the mother and her ch the mother or father the motion states tha the motivedismas hard the motown sound the mountain in labor the mountain tomb the mourning forest j the mouse problem the movement of five ...
解析 B解析:最后一段第一句…it is fortunate that bauxite(铝土矿),which is one of its chief sources,is also one of the earth"s most plentiful substances.作为铝的主要来源,铝土矿是地球上最丰富的物质之一,可知铝的形式主要是表现为“铝土矿”,故选B。
Aluminum is found on earth mostly in the form of ___. A.pure metalB.bauxiteC.goldD.liquid 相关知识点: 试题来源: 解析 B 本题为客观细节题。从最后一段“it is fortunate that bauxite(铝土矿),which is one of its chief sources,is also one of the earth's most plentiful substances”可知...
When we look at the price of a precious metal like platinum, we need to understand the entire extraction, processing, and refining chain. But we also need to grasp the socio-political and economical condition of the world. Platinum is mined underground and is mostly broken up by explosives....
At the same time, watch out for strategies that aren’t effective.For instance,if you“choke up”in class when performing a dialogue with another student, could it be that you prepared for this task by reading and rereading the dialogue by yourself? If this strategy doesn’t work, try ...
Studies undertaking experiments with AV prototypes (enabling drivers to have direct contact with more realistic AV representations) are mostly set up in simulation environments. These studies have focused on the HMIs at level 3 of vehicle automation, namely the measurement of the “take-over request...
In addition, an increase in MDA concentrations was also observed, mostly in animals exposed to the highest PM concentration (11.4 mg/L), suggesting cell membrane damage. Moreover, both MDA and ubiquitin results suggest that the antioxidant defense system was not capable of efficiently removing the...
The U.S. Constitution in 1789 gave Congress the sole right to coin money and the power to regulate its value. Creating a united national currency enabled the standardization of a monetary system that had, up until then, consisted of circulating foreign coins, mostly silver. ...
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