为了保证投油后运行安全可靠，检查管道在热力、压力同时作用下的承载能力，在（）进行一次

关于急性胰腺炎发生休克，叙述错误的是（）

A.休克仅见于重症急性胰腺炎

B.休克主要是合并感染所致

C.疾病初期发生休克提示有大片坏死

D.休克是严重并发症发生的表现

E.休克主要原因是有效循环血量不足

距今175万年前的古人类遗物-------石器的发现说明了（    ）

A．人类的共同祖先是森林古猿

B．森林古猿能够直立行走

C．古人类能够制造和使用工具

D．古人类社会能够使用火

某合伙企业欠甲到期借款3万元，该合伙企业的合伙人乙亦欠甲到期借款2万元；甲向该合伙企业购买了一批产品，应付货款5万元。根据合伙企业法律制度的规定，下列表述中，正确的是( )。

A．甲可将其所欠合伙企业5万元货款与该合伙企业所欠其3万元到期借款以及合伙人乙所欠其2万元到期借款相抵销，甲无需再向合伙企业偿付货款
B．甲只能将其所欠合伙企业5万元货款与该合伙企业所欠其3万元到期借款进行抵销，因此，甲仍应向该合伙企业偿付2万元
C．甲只能将其所欠合伙企业5万元货款与乙所欠其2万元到期借款进行抵销，因此，甲仍应向该合伙企业偿付3万元
D．甲所欠合伙企业之债务与该合伙企业及乙所欠其债务之间均不能抵销

只要参加报关员资格全国统一考试并取得《报关员资格证书》，即成为报关员。( )

In the United States, older people rarely live with their adult children. But in many other cultures children are expected to care (1) their aged parents. In some parts of Italy, the percentage of adult children who (2) with their parents (3) 65 to 70 percent. In Thailand, too, children are expected to take care of their elderly parents; few Thai elderly live (4) . What explains these differences in living arrangements (5) cultures Modernization theory (6) the extended family household to low levels of economic development. In traditional societies, the elderly live with their children in large extended family units for economic reasons. But with modernization, children move to urban areas, leaving old people (7) in (8) rural areas. Yet modernization theory cannot explain why extended family households were never common in the United States or England, or why families in Italy, which is fully modernized, (9) a p tradition of intergenerational living. Clearly, economic development alone cannot explain (10) living arrangements. Another theory associated intergenerational living arrangements with inheritance patterns. In some cultures, the stem family pattern of inheritance (11) . (12) this system, parents live with a married child, usually the oldest son, who then (13) their property when they die. The stem family system was once common in Japan, but changes in inheritance laws, (14) broader social changes brought (15) by industrialization and urbanization, have (16) the (17) .In 1960 about 80 percent of Japanese over 65 lived with their children; by 1990 only 60 percent did-a figure that is still high (18) U.S. standards, but which has been (19) steadily. In Korea, too, traditional living arrangements are (20) : the percentage of aged Koreans who live with a son declined from 77 percent in 1984 to 50 percent just 10 years later. Although most elderly Koreans still expect to live with a son, their adult children do not expect to live with their children when they grow old.

（9）是（）

A.maintain

B.promote

C.reserve

D.support