[填空题]So we asked our friends to help us.
So we asked our friends ______ ______.

[填空题]So we asked our friends to help us.
So we asked our friends ______ ______.

[单项选择]Because our work is very busy, so we need to relax at midday.
A. We are very busy,
B. Our work being busy,
C. Our work so very busy,
D. Because our work so very busy,

[简答题]So we need your help as well. You’re here because you are already committed to identifying and investing in innovative solutions to persistent global problems. So today, I ask you to join us, to be a part of this solution, an issue that brings together so many of our concerns. Whether you’re passionate about health or the environment or sustainable development or women’s empowerment, this is a project for you, and we need you.

[单项选择]

M: Our professor is iii today, so we have no classes.
F: Isn’t that nice Do you know how long he will be absent

What is the possible relationship between the two speakers（　）.
A. Husband and wife.
B. Teacher and Student.
C. Classmates.

[填空题]We have made great progress with her help in our study.
Great progress ______ with her help in our study.

[单项选择]We have become so democratic in our habits of thought that we are convinced that truth is determined through ______ of facts.
A. a hierarchy
B. a transcendance
C. a plebiscite
D. a repeal
E. an ignorance

[简答题]So we have focused on strategic areas where we can make the biggest impact on agricultural change that stretch from the farm to the market to the table and keep people nourished and productive, health systems that help people spend their days working rather than sick or dying, opportunities for women and girls that allow them to contribute to economic and social progress.

[单项选择] Sugar is so much a part of our modern life that we only really think about it when, for some reason, we cannot obtain it. It has been known to man for at least 3,000 years, but has come into common use only in modern times. Until quite recently it was considered as a medicine and as a luxury for the very rich only. Sugar is, then, very important to our civilization. But what exactly is it Of course, most of us recognize sugar immediately as the sweet material which we put in coffee or cakes. This common form of sugar is derived from two plants: the sugar cane (a type of grass which grows to a height of twenty feet) and the sugar beet (which grows underground). But there are in fact many types of sugar, and the chemist recognizes hundreds of different varieties, each coming from a different source. About 90% of the sugar produced as food. Only 10% is used in industry for purposes other than food production. Yet sugar has great possibilities for use as the basis of chemica
A. What sugar is
B. Sugar Through the Ages
C. The Advantages of Sugar
D. Present and Future Uses of Sugar

[单项选择]A. Because we were taught so by our parents from our childhood.
B. Because we are deceived by our sense of vision.
C. Because it is a common natural phenomenon.
D. Because it is a truth proved by science.