Vitamin D helps our bodies make a special chemical, and this special chemical, _
题型：同步题难度：来源：
| Vitamin D helps our bodies make a special chemical, and this special chemical, ______, affects our brains, making us feel happy. |
| [ ] |
A. in turn
B. in particular
C. in advance
D. in short |
答案
| A |
举一反三
| After the robbery, the jewelry shop fixed an alarm system ________ further losses. |
| [ ] |
A．for
B．from
C．against
D．toward |
| The sunlight came in ________ the windows in the roof and lit up the whole room. |
| [ ] |
A．through
B．across
C．on
D．over |
| increasing the distance of your walks, you may lose more weight. |
| [ ] |
A．By
B．From
C．On
D．For |
| You"d sound a lot more polite if you make a request________a question. |
| [ ] |
A. in search of
B. in the form of
C. in need of
D. in the direction of |
Success in life doesn"t happen________.It"s the result of devoting your time and energy to what you"ve
set out to do. |
| [ ] |
A. by force
B. by design
C. by accident
D. by choice |
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