出口企业或其他单位骗取国家出口退税款的，经（）以上税务机关批准可以停止其退（免）税资

下列叙述不正确的是( )。

A．分红保险是保险人将投保人的保费返还的一种形式

B．当实际死亡率低于预期死亡率时，分红保险会产生红利

C．当实际回报率高于预期回报率时，分红保险会产生红利

D．当实际费用率低于预期费用率时，分红保险会产生红利

在印刷设计中，特种印刷的创新工艺有哪几种？

Research on animal intelligence always makes me wonder just how smart humans are. (51) the fruit-fly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly (52) to live shorter lives. This suggests that (53) bulbs burn longer, that there is an advantage in not being too terrifically bright.

Intelligence, it (54) , is a high-priced option. It takes more upkeep, burns more fuel and is slow off the starting line because it depends on learning—a (55) process—instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to (56) .

Is there an adaptive value to (57) intelligence That’s the question behind this new research. I like it. Instead of casting a wistful glance (58) at all the species we’ve left in the dust I.Q.-wise, it implicitly asks what the real (59) of our own intelligence might be. This is on the mind of every animal I’ve ever met.

Research on animal intelligence also makes me wonder what experiments animals would (60) on humans if they had the chance.

56().

A.fight 

B.doubt 

C.stop 

D.think

货币统计通常包括( )层次。

A．1个
B．2个
C．3个
D．4个