能引起尘肺病的物质不包括( )。
A.石英晶体
B.滑石粉
C.氯仿
D.石棉
参考答案:C
解析:能引起尘肺病的物质有石英晶体、石棉、滑石粉、煤粉和铍等。
China is to send its top negotiator on North Korea’s nuclear program to Pyongyang (36) amid international concern over the launch of (37) . While the (38) and its ally Japan push for (39) against North Korea, China is (40) , not sanctions.Also, the (41) to Japan says sanctions on North Korea will (42) efforts to bring the secluded state back to (43) on its nuclear program. North Korea (44) the six-party talks in (45) after Washington imposed financial sanctions for alleged counterfeiting and (46) activities. A broadcast on North Korean State Television (47) the missile tests, in what it called a "successful (48) ". It said North Korea will take action against anyone who (49) them. The Minister is reported to have told a (50) that the missile launches were (51) because of America’s sanctions against Pyongyang. North Korea remains (52) in the face of international condemnation and has warned (53) could be carried out. UN Security Council members will (54) discussions tonight on whether a (55) condemning the missile launches should call for sanctions.
胃痛发生的常见原因不包括
A.寒邪客胃B.饮食伤胃C.肝气犯胃D.脾胃虚弱