单选题：Scientists study how photosynthesis works because they want

题目分类：理工类
题目类型：单选题
查看权限：VIP

题目内容：

Scientists study how photosynthesis works because they want to __________. A．improve the efficiency of it
B．turn plant sugars to a new form of energy
C．make green plants a new source of energy
D．get more sugars and starches from plants

参考答案：

答案解析：

What is the picture of Asia's food supplies in the first 25

What is the picture of Asia's food supplies in the first 25 years?A．Food shortag

分类：理工类题型：单选题

查看答案

The new system does document retrieval by __________.

The new system does document retrieval by __________.A．using photos B．descriptio

分类：理工类题型：单选题

查看答案

根据以下材料，回答题First Image-recognition Software(1) Dartmouth rese

根据以下材料，回答题First Image-recognition Software(1) Dartmouth researchers and their

分类：理工类题型：单选题

查看答案

According to a Chinese report, the flooding in China caused

According to a Chinese report, the flooding in China caused by E1 Nino in 1991 a

分类：理工类题型：单选题

查看答案

The new finding is based on a thorough study of 170,000 star

The new finding is based on a thorough study of 170,000 stars on the Milky Way.A

分类：理工类题型：单选题

查看答案