题目内容
（请给出正确答案）
[主观题]
For young children, getting dressed is a complicated business.A．strangeB．complexC．personal
For young children, getting dressed is a complicated business.
A．strange
B．complex
C．personal
D．funny
提问人：网友foruse
发布时间：2022-01-07
题目内容
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更多“For young children, getting dr…”相关的问题
第2题
In the specific factors model, which of the following will increase the quantity of labor used in food production?
A、an increase in the price of cloth relative to that of food
B、an increase in the price of food relative to that of cloth
C、a decrease in the price of labor
D、an equal percentage increase in the price of food and cloth
第3题
Generally speaking, complicated, abstract and unfamiliar words sound more impressive to the listeners.
第4题
"This line" in Paragraph 3 refers to
A．the line from the Tower Gateway Station to Poplar.
B．the line from Poplar to Island Gardens.
C．the Millwall Extension Railway.
D．the line from, Poplar to Stratford.
第7题
根据下列文章,请回答 41～45 题。
"Salty" Rice Plant Boosts Harvests
British scientists are breeding a new generation of rice plants that will be able to grow in soil containing salt water. Their work may enable abandoned farms to become. productive once more.
Tim Flowers and Tony Yeo, from Sussex University's School of Biological Sciences, have spent several years researching how crops, such as rice, could be made to grow in water that has become salty.
The pair have recently begun a three-year programme, funded by the Biotechnology and Biological Sciences Research Council, to establish which genes enable some plams to survive salty conditions. The aim is to breed this capability into crops, starting with rice. It is estimated that each year more than 10m hectares (公顷) of agricultural land are lost because salt gets into the soil and stunts (妨碍生长) plants. The problem is caused by several factors. In the tropics, mangroves (红树林) that create swamps (沼泽) and traditionally formed barriers to sea water have been cut down. In the Mediterranean series of droughts have caused the water table to drop, allowing sea water to seep (渗透) in. In Latin America, irrigation often causes problems when water is oval)orated (蒸发) by the heat, leaving salt deposits behind.
Excess salt then enters the plants and prevents them functioning normally. Heavy concentrations of minerals in the plants stop them drawing up the water they need to survive.
To overcome these problems, Flowers and Yeo decided to breed rice plants that take in very little salt and store what they do absorb in cells that do not affect the plants' growth. They have started to breed these characteristics into a new rice crop, but it will take about eight harvests before the resulting seeds are ready to be considered for commercial use.
Once the characteristics for surviving salty, soil are known, Flowers and Yeo will try to breed the appropriate genes into all manners of crops and plants. Land that has been abandoned to nature will then be able to bloom again, providing much needed food in the poorer countries of the world.
第 41 题 Which of the following statements about Flowers and Yeo is true？
A．They are students at Sussex University.
B．They are rice breeders.
C．They are husband and wife.
D．They are colleagues at an institution of higher learning.
第9题
根据下列文章,请回答 51～65 题。
Earth's Inner Core
Scientists have long struggled to understand what lies at the planet's center. Direct observation of its center is impossible, so researchers must ________ (1) to other evidence.
In 1889, a German scientist detected a severe earthquake in Japan. Geophysicists concluded that shock waves________ (2) jolts (晃动) from one side of Earth through the center to the other side. Then in 1936, Danish geophysicist Inge Lehmann studied the waves'________(3) to determine that within Earth's core of molten (熔化了的) iron lies a solid inner core -- but ________ (4) that core was made of eluded (难倒) her. Other geophysicists quickly determined that Lehmann's inner core was composed mostly ________(5) iron. Since then, Lehmann's discovery has ________(6) conventional Earth science.
But now scientists are challenging traditional theory With new and radical ________ (7). For example, Earth's center could actually contain an "inner core within the inner core," claim Ishii and colleague Adam Dziewonski.
Analyzing hundreds of thousands of earthquake wave________ (8), they maintain that the inner core has at its heart a tiny, even more solid sphere (球体). This sphere "may be the oldest fossil ________ (9) from the formation of Earth," says Dziewonski.
Dziewonski and Ishii speculate that shortly ________ (10) Earth formed around4.8 billion years ago, a giant asteroid (小行星) smashed into the young planet and nearly melted it. But Earth's center didn't quite melt; it________(11) mass as the planet cooled. The core within a core may be the kernel (核心) that endured. "Its presence could change our basic ideas about the ________ (12) of the planet," Dziewonski says.
Dziewonski's idea is tame (温和的) compared to the ________ (13) theories of independent geophysicist J. Marvin Herndon. Earth's inner core is made not of iron, he claims, but a ________ (14) of nickel and silicon. Herndon has a truly revolutionary notion: Within the nickel silicide (硅化物) inner core is also an "inner" inner core -- an 8 km-wide ball of the element uranium. Uranium is radioactive. Herndon thinks the uranium releases heat energy as its atoms ________ (15) fission-split and crash into one another in a chain reaction. In other words, we may live on top of a gigantic, "natural" nuclear power plant.
第 51 题
A．try
B．leave
C．turn
D．point
