更多"growth"的相关试题:
[填空题]
A Baby’s Growth
1. To describe a baby’s growth, the old saying "one thing leads to another" should really read, "one thing leads to an explosion. " The perfection of vision and the ability to hold his head up allow appreciation of visual space. The evolution of increasingly efficient reaching also lets the baby appreciate and participate in his three-dimensional world.
2. You may notice that your baby can grab toys with either hand. This is partly because the baby has learned to grasp an object even if it touches his hand lightly or his eyes are averted. By the end of the fourth month, he can probably alternate hands to grab the toys or transfer a toy from one hand to the other. He may even wave it briskly, then transfer it and repeat the waving, shuttling it back and forth between hands. In imitating the behavior of one hand with the other, the baby may be becoming aware that he can do the same thing with each arm and that each
[填空题]
Shopping Online
dotcoms are now finding that growth is accelerating even faster than overseas: eBay’s Chinese service, for instance, is already the biggest e-commerce site in that country. Then there are the
[填空题]The profits charts showed strong growth throughout the three year period.
[单项选择]Paralleling the growth of interest among professional historians during the early 1960s, I had a simultaneous ( ) of popular interest in the Afro-American past that was directly stimulated by the drama of the protest movement.
A. respite
B. fray
C. obsolescence
D. groundswell
[填空题]economic growth and prevent from any acceleration in inflation. Recent reports
[单项选择]
Passage One
With rapid growth of world population,
mainly in developing countries, the available cultivable land per person has
declined steadily since 1960 and will decease by half over the next 50 years.
Besides, about 400 million women of childbearing age are iron deficient, leaving
their babies exposed to various birth defects. As many as 100 million children
suffer from vitamin A deficiency. Tens of millions of people suffer from other
major ailments and nutritional deficiencies caused by lack of food.
How can biotech help Biotechnologists have developed genetically modified
rice fortified with beta carotene (β-胡萝卜素) and additional iron, and they are
working on other kinds of nutritionally improved crops. Biotech can also improve
farming productivity in places where crop failures are caused by pests, drought,
poor soil and crop virus A. developing genetically modified or nutritionally improved crops B. incorporating pest-resistant or virus-resistant genes into seeds of crops C. improving the ability of seeds to resist water shortages in certain regions D. identifying genes that helps neutralize aluminum toxicity in crops
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