A collection of specimens that exhibit similar internal structure and chemical compositions are called mineral species

The biologist often goes to the mountain to collect insect 　 . A: representative B: specimens C: samples D: examples

Which of the specimens, in cross section, would more closely approximate a circle? A: KNM ER-3230 B: KNM ER-992

I haven't many specimens but I will send you ______ I have. A: such that B: so as C: such as D: as such

Over the last century, paleontologists have used small differences between fossil specimens to classify Triceratops into sixteen species. This classification is unjustified, however, since the specimens used to distinguish eleven of the species come from animals that lived in the same area at the same time. Which of the following, if true, would enable the conclusion of the argument to be properly drawn A: Not every species that lived in a given area is preserved as a fossil. B: At least one individual of every true species of Triceratops has been discovered as a fossil specimen. C: No geographical area ever supports more than three similar species at the same time. D: In many species, individuals display quite marked variation. E: (E) Differences between fossil specimens of Triceratops that came from the same area are no less distinctive than differences between specimens that came from different areas.

35. Separate containers are used for individual specimens A: A hand collecting B: B using bait C: C sampling ground litter D: D using a pitfall trap

To give you a general idea of our products, we enclose the catalogues showing various products handled by us with detailed______ and means of packing. A: specimens B: inspections C: paraphrases D: specifications

Which of the following is the newly included “clinical diagnosis” in the COVID-19 Diagnosis and Treatment Plan (Edition 5th, Trial)? A: Etiological diagnosis B: Detect pathogens from clinical specimens C: The clinical symptoms are very obvious, but the etiological examination is negative D: Diagnosis based on Koch's postulates E: Neither of all above

Which of the following are the discharge criteria for COVID-19 patients? A: Body temperature returns to normal for more than 3 days. B: Respiratory symptoms improve significantly. C: Pulmonary imaging shows significant improvement in acute exudative lesions. D: Respiratory specimens are tested negative in nucleic acid tests, such as sputum and nasopharyngeal swabs, for two consecutive times (sampling interval shall be at least 24 hours). E: Patients have no obvious cough and expectoration.