单选题If laid out in______straight line,______human digestive tract would measure approximately thirty-foot long.
单选题When an organism is completely encapsulated and preserved, it becomes a fossil, {{U}}therefore{{/U}} turning into evidence of things that once lived.
单选题By "a chance for a fresh start" the author means ______
单选题It must comply strictly in safety standards to be accepted by the public, and at the same time it must demonstrate that no health or environmental damage occurs.
单选题The young man asked his parents not to worry because he was full of
optimism
about his career.
单选题All root vegetables grow underground, and not all vegetables that grow underground are roots. A. but B. or C. as D. thus
单选题He______in the emergency room when I arrived at the hospital.
单选题I'll take down your name and address in case you______as a witness. A．are needed B．have needed C．need D．were needed
单选题You have to pay a(n)
premium
for express delivery.
单选题She made two copies of this poem and posted them ______ to different publishers.
单选题It demands artistic skill for a manager to ______ disputes among his employees.
单选题Most species of this plant {{U}}thrive{{/U}} in ordinary well-drained garden soil and they are best planted 8 cm deep and 5 cm apart.
单选题Which of the following has become extinct due to man's destruction ?
单选题______ the 1500s ______ the first European explored the coast of California.
单选题The blunder of Argentina's goalie cost them the game in the match against Brazil. A. triumph B. beat C. mistake D. struggle
单选题The award was won by Dennis Johnson,______the coach highly respects. A. who B. whom C. which D. that
单选题Most people would agree that, although our age far surpasses all previous ages in knowledge, there has been no correlative increase in wisdom.
单选题Marketing is ______ just distributing goods from the manufacturer to the final customer. A. rather than B. other than C. bigger than D. more than
单选题Life is more important than the pressures and stresses that we place on ourselves over work and other
commitments
.
单选题The boy indulges in playing computer games and stays up every night to play.