题目内容

SECTION A CONVERSATIONS In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. Where has the man been

A. Swimming in a lake.
B. Washing clothes.
C. Visiting his hometown.
D. Sightseeing.

查看答案

搜索结果不匹配？点我反馈

更多问题

SECTION A CONVERSATIONS In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. What’s the main subject of this conversation

A. Unites States Canadian agreements.
B. Unlimited growth in population.
C. Pollution in the Great Lakes.
D. The limitea supply of phosphates.

Questions 21 to 23 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. Now listen to the news. The agreement comes on the first day of renewed peace talks between all sides in the _________ civil war.

A. ten-year
B. eight-year
C. eleven-year
D. twenty-year

患者男性，58岁。不发热，干咳，痰中带血丝1个月，昨天X线检查示右侧有大量的胸腔积液。病人否认心脏病史。如果原发性肺癌的病理类型为小细胞肺癌，下列肿瘤标志物对其诊断最有价值的是

A. SCC
B. CEA
C. NSE
D. AFP
E. PSA
F. PAP
G. CYFRA21-1

设(ｘ≥-1)，求曲线y=f(x)与x轴所围成的封闭图形的面积．