托福真题练习07.28

　　1. An underlying assumption of most market research is that people are continually ____ financial decisions based on their desire for goods that give them the most satisfaction.
　　(A) making
　　(B) and make
　　(C) being made
　　(D) having made
　　2. ____ tempera paint, the artist mixes dry pigments with water until the mixture resembles a stiff paste.
　　(A) In preparation
　　(B) The preparing of
　　(C) To prepare
　　(D) Prepared
　　3. When two straight lines meet, ____ an angle.
　　(A) it is formed
　　(B) formed
　　(C) they form
　　(D) to form
　　4. ____ the precise qualities of the hero in literary works may vary over time, the basic exemplary function of the hero seems to remain constant.
　　(A) Whatever
　　(B) Even though
　　(C) In spite of
　　(D) Regardless
　　5. Early forms of life on Earth, ____ in the absence of oxygen, required elements such as sulfur instead.
　　(A) which lived
　　(B) whose life
　　(C) lived
　　(D) were living