STEM教育中STEM是指 、、、
举一反三
- A ___may consist of a single___morpheme as in "iron" or of two ___morphemes as in a compound like "handcuff". A: stem, root, root B: root, stem, stem C: stem, stem, root D: root, root, stem
- A prefix is an affix which appears ____. A: after the stem B: efore the stem C: in the middle of the stem D: elow the stem
- A prefix is an affix which appears ______.（ ） A: in the middle of the stem B: below the stem C: before the stem D: after the stem
- 下列选项中，哪个是“胚胎干细胞”的正确的英文翻译（ ）。 A: multipotent stem cell B: Adult-derived Stem Cell C: Totipotent stem cell D: Embryonic Stem Cell
- 【植】以下细胞中发育潜能最大的是()。 A: Totipotent<br/>stem cell B: Pluripotent<br/>stem cell C: Oligopotent<br/>stem cell D: Unipotent<br/>stem cell