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(1) They do not provide energy, __________ do they construct or build any part of the body.
[ A ] either [ B ] so [ C ] nor [ D ] never
5) 连词
1)... that the introduction of the computer in the early 20th century, radically changed the process, ____________ its impacts on the media was not immediately apparent.
[A] unless [ B] since [ C] lest [ D] although
2) They are different ____________ their elements are arranged differently, and each vitamin performs one or more specific functions in the body.
[A] in that [ B ] so that [ C ] such that [ D ] except that
3) If a farmer wishes to succeed, he must try to keep a wide gap between his consumption and his production. He must store a large quantity of grain _________ consuming all his grain immediately.
[ A ] other than [ B ] as well as [ C ] instead of [ D ] more than
4) He can continue to support himself and his family _________ he produces a surplus.
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