机械牌坊式深度指示器优点是（），因而使用较为广泛。A、指示直观清晰 B、工作可靠 C、维

新世纪外贸公司会同国内甲工厂与外商A签订来料加工合同，由外商提供不计价的原材料，甲工厂加工成丙成品后由新世纪外贸公司交付外商A，新世纪外贸公司按实收外汇净额的2.6%收取手续费。设本期汇率均为1美元=6.75元人民币。要求：根据上述资料，对下列各项业务作出必要的会计分录。（11分）

新世纪外贸公司收到不计价的原材料12吨。

下列哪项不是大剂量芬太尼引起的并发症（）

A.术中呼吸抑制

B.术后延迟性呼吸抑制

C.胸壁肌肉强直

D.血压降低

E.情绪激动和噩梦

几个电阻的头尾依次相连，接成一串，这种电阻连接方法称为电阻的（）。

A.串联

B.并联

C.串并联

D.级联

Our ape-men forefathers had no obvious natural weapons in the struggle for (1) in the open. They had neither the powerful teeth nor the p claws of the big cats. They could not (2) with the bear, whose strength, speed and claws (3) an impressive " small fire" weaponry. They could not even defend themselves (4) running swiftly like the horses, zebras or small animals. If the ape-men had attempted to compete on those terms in the open, they would have been (5) to failure and extinction. But they were (6) with enormous concealed advantages of a kind not possessed by any of their competitors.

In the search (7) the pickings of the forest, the ape-men had (8) efficient stereoscopic vision and a sense of color that the animals of the grasslands did not (9) . The ability to see clearly at close range permitted the ape-men to study practical problems in a way that lay far (10) the reach of the original inhabitants of the grassland. Good long-distance sight was (11) another matter. Lack of long-distance vision had not been a problem for forest-dwelling apes and monkeys because the (12) the viewpoint, the greater the range of sight-so (13) they had had to do was climb a tree. Out in the open, however, this simple solution was not (14) . Climbing a hill would have helped, but in many places the ground was flat. The ape-men (15) the only possible solution. They reared up as high as possible on their hind limbs and began to walk (16) . This vital change of physical position brought about considerable disadvantages. It was extremely unstable and it meant that the already slow ape-men became (17) still. (18) , they persevered and their bone structure gradually became (19) to the new, unstable position that (20) them the name Homo erectus, upright man.

16（）

A.fast

B.stably

C.happily

D.upright