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【单选题】
下列关于脊索的叙述正确的是A.
脊索是脊索动物所特有的特征之一
B.
脊椎动物的脊柱是由脊索演化而来
C.
脊索为一中空的管状结构
D.
脊索位于动物的背面，在动物某发育阶段起支架作用
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举一反三
【单选题】I could have ()such a situation but I didn ’t.
A.
forecast
B.
overcome
C.
shed
D.
urged
【单选题】Directly he saw her, he fell ______ in love.
A.
from head to foot
B.
head over heels
C.
head and shoulders
D.
toe to toe
【简答题】Look at the terrible situation I am in! If only I ________ your advice. A) follow B) had followed C) would follow D) have followed
【简答题】He has the _____ of an athlete: he really goes all out to win. A. instants B. instances C. instincts D. intelces
【单选题】I felt I couldn’t cope with the situation and was in desperate need of some .
A.
remark
B.
reassurance
C.
suggestion
D.
claim
【简答题】What do you know about the boy? [A] He isn't good at football. [B] He is interested in football. [C] He doesn't like to watch TV.
【简答题】Is he really that kind?
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