The ties that bind us together in common activity are so _________

单选题 The ties that bind us together in common activity are so __________ that they can disappear at any moment．

A．trivial
B．fatal
C．tentative
D．feeble

参考答案D

解析: D。在共同活动中将我们联系在一起的纽带是如此的脆弱，随时都有可能消失。
考查形容词辨析。trivial意为“琐碎的，不重要的”；fatal意为“致命的”；tentative意为“试探性的”；feeble意为“脆弱的，虚弱的”。

单选题 I must go now．__________, if you want that book I'll bring it next time．

A．Incidentally
B．Accidentally
C．Occasionally
D．Subsequently

单选题 The bank manager asked his assistant if it was possible for him to __________ __________the investment plan within a week．

A．work out
B．put out
C．make out
D．set out

单选题 Diamonds have little __________ value and their price depends almost entirely on their scarcity．

A．extinct
B．permanent
C．surplus
D．intrinsic