从一种生物的细胞中提取得到甲、乙两种有机物,甲的含量大于乙,在适当的条件下用人的胃液处理,甲分解而乙不分解;分析甲、乙的化学成分,甲含有氮和硫,乙含有氮和磷;甲、乙两种物质遇碘都不变蓝;从来源看,在细胞膜上有甲而没有乙。据此回答下列问题: 甲在适当的条件下,用人的胃液处理后能分解,是胃液中的______在起作用,经这种物质处理后的最终产物是______。
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The Red Cross is an international organization, which cares for people who are in need of help. A man in a Paris (56) who needs blood, a woman in Mexico who was (57) in an accident, and (58) in India that lost their (59) in a storm may all be (60) by the Red Cross.The Red Cross (61) in almost every country around the (62) . The world Red Cross organizations are sometimes (63) the Sun or the Red Lion. All of these organizations (64) a common aim of (65) to help people in need.The idea of (66) an organization to help the sick and wounded during a war was (67) by Joan Dunant.In 1859, he (68) how people were (69) on a battlefield in Italy. He wanted to help all the wounded people (70) which side they were fighting for. The most important (71) of his work was an international treaty (条约). It (72) prisoners of war, the sick and wounded, and other (73) during a war.The American Red Cross was (74) by Lara Barton in 1881.Today the Cross in the United States provides a number of (75) for the public. 71().
A. progress
B. result
C. discovery
D. experience
The Red Cross is an international organization, which cares for people who are in need of help. A man in a Paris (56) who needs blood, a woman in Mexico who was (57) in an accident, and (58) in India that lost their (59) in a storm may all be (60) by the Red Cross.The Red Cross (61) in almost every country around the (62) . The world Red Cross organizations are sometimes (63) the Sun or the Red Lion. All of these organizations (64) a common aim of (65) to help people in need.The idea of (66) an organization to help the sick and wounded during a war was (67) by Joan Dunant.In 1859, he (68) how people were (69) on a battlefield in Italy. He wanted to help all the wounded people (70) which side they were fighting for. The most important (71) of his work was an international treaty (条约). It (72) prisoners of war, the sick and wounded, and other (73) during a war.The American Red Cross was (74) by Lara Barton in 1881.Today the Cross in the United States provides a number of (75) for the public. 68().
A. remembered
B. researched
C. observed
D. watched
从一种生物的细胞中提取得到甲、乙两种有机物,甲的含量大于乙,在适当的条件下用人的胃液处理,甲分解而乙不分解;分析甲、乙的化学成分,甲含有氮和硫,乙含有氮和磷;甲、乙两种物质遇碘都不变蓝;从来源看,在细胞膜上有甲而没有乙。据此回答下列问题: 在物质乙的结构单位中,N主要存在于______部分。
Complete the gap-filling task. Some of the gaps below may require a maximum of THREE words. Make sure the word(s) you fill in is (are) both grammatically and semantically acceptable. You may refer to your notes. In the United States, charter schools provide alternatives to "regular" public schools. Unlike most public schools, charters don’t usually have an enrollment boundary and can recruit students from a larger geographic area. Ⅰ. Features of charter schools 1) admission process — no discrimination — a random of method like a (1) 2) many different shapes — to cater to (2) — to offer a thematic or specialized curriculum — to provide an alternative to regular public school 3) location — more likely to be found in (3) areas 4) management — run by large and small companies, parents, teachers, community groups and nonprofit organizations 5) size — most charter schools are new and (4) 6) academic results — Charter schools don’t necessarily produce better academic results than regular public schools. Ⅱ. Funding of charter schools 1) mostly from the state, generally based on their (5) 2) also from grants and additional donations for ambitious programs not fully funded y state/district formulas 3) also a limited amount of (6) to help start new charter schools 4) Funding for facilities can be a (7) for charter schools. Ⅲ. Monitoring of charter schools 1) authorizers — (8) that grant schools their charter, and monitor their performance — including charter boards, school boards and (9) 2) key reasons schools close — They can’t recruit enough students. — They can’t find a stable space to operate. — They can’t manage their (10) .