按照美国FDA药物毒性妊娠分级标准，普萘洛尔属于（） A.A级 B.B级 C.C级

最高院司法解释规定，对社会保险基金，（）不得冻结和扣划。

A、行政机关

B、检察机关

C、法院

D、纪监部门

腹部膨隆，脐突皮光，嗳气或矢气则舒，腹部按之空空然，叩之如鼓的属（）。

A.气臌

B.水臌

C.血臌

D.虫臌

E.痞满

甲国公民杰克在甲国境内犯下杀人罪后，逃至乙国境内又犯下一系列罪行，后杰克偷渡至丙国。根据国际法有关规则，针对引渡杰克的下列表述，正确的有：

A．假如杰克在乙国对其外交代表造成故意伤害，丙国不得以“政治犯不引渡”为由拒绝引渡

B．假如甲国和丙国无引渡条约，甲国和乙国有引渡条约，乙国和丙国有引渡条约，则乙国可以根据其与丙国的引渡条约引渡杰克后，无须经丙国同意，再根据甲乙之间的引渡条约将杰克转引渡给甲国

C．假如乙国向丙国提出引渡请求，必须首先经过乙国司法当局对引渡罪行进行事实的合法性审查，然后再由行政当局的职能部门审查，综合考虑国家主权等因素后作出最后决定

D．假如杰克在乙国犯盗窃罪，乙国和丙国达成引渡协议，协议约定乙国将以盗窃罪起诉和审判杰克，引渡回国后乙国可以改变起诉，以抢劫罪审理和判决杰克

It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.

The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good: Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.

6（）

A.at 

B.for 

C.to 

D.of

《左传》擅长描写的是（）。

A.战争

B.外交、政治

C.鲁国内政

D.谋臣策士的游说