305.The old engineer's eyes still shone bright in the wrinkled brown face and his step as he came across the room was ____,though slow.
A.shaky
B.heavy
C.casual
D.steady
306.An unhappy childhood may have some negative effects on a person's characters;however,they are not always ________.
A.practical
B.avoidable
C.permanent
D.beneficial
305.答案是D；考查形容词的辨义。句意:这位年长的工程师，古铜色的脸上布满皱纹，但目光炯炯。Shaky颤抖的；heavy 沉重的；casual漠不关心的，冷淡的；steady稳定的。
306.答案是C；考查形容词的辨义。句意:不幸的童年可能会对人的性格产生一些消极的影响，然而，这些影响不一定是永久的。Practical实际的，实用的；avoidable可避免的；permanent永久的，持久的；beneficial有益的。
