★语法第8题 since antiquity ______  to .....
　　想了很久选了  in cultures when
　　我选的是in many cultures，这个to应该是和前面的动词连接的

　　★应该是there is no，因为后面跟得是no evidence confirming this. 如果是no的话应该是:no evidence confirms this.
　　全句好像是although 什么什么有什么特征, there is no evidence confirming this

　　划线部分谓参考答案

　　★Video recording began with the introductory of a two- ? magnetic tape in 1950s

　　★(approximate) 92 percent (of the) world's (trading) goods (are transported) by ships. 

　　★with the exception of gold ,silver is most XXX and durable in all metals.

　　★xx is a (heavily) industrilized state (whose) (leading) goods are ....., prossessed food,and (chemical).

　　★(Although) the republican Dwight Eisenhower  (won) the United State president presidency in 1852 and 1856,  the Democrats ran six(of his) eight years (into) office.

　　★transfusion of plasma or whole blood (increases) the volume of (circulating) blood raising.................and ensuring (adequate) distrubution of oxygenated blood (among) the body.

　　★the seamount is isolated submarine mountains .........far (beneath of ) the surface

　　★(musical)notes --(how much) high and low  ...is---(depends) on (its)...

　　★40题. The national debt is the (sum) total of (financial) obligations the national government incurs by (borrow) from foreign governments, international institutions, or its (own) population.