[填空题]If I (know) ______ you, I would have told you about it.

[填空题]If only I (know)（）the answer, I would have told you.

[单项选择]I am （） sure that I have told you that before.
A. fairly
B. far
C. rather
D. pretty

[单项选择]______ I’d have told you.
A. If I would have known it B. If I had have known it
C. Had I known it D. Should I known it

[单项选择]How nice to see you again! You should have told me before you ______.
[A] are coming [B] have come [C] will come [D] were coming

[简答题]We must insist that you would let us know when you intend to deliver the goods.

[单项选择]

Text
During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (26) phenomenon of race consists of a few surface indications.
We judge race usually (27) the coloring of the skin: a white race, a brown race, a yellow race and a black race. But if you (28) remove the skin you could not (29) anything about the race (30) the individual belonged. There is nothing in physical structure, the brain or the internal organs to (31) a difference.
There are four types of blood. (32) types are found in every race, and no type is distinct to any race. Human brains are the (33) , No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (34) in size, but this occurs within every race. (35) does size have anything to do with intelligence. The largest brain<
A. same
B. identical
C. similar
D. alike