门静脉( )
A.多由肠系膜上、下静脉汇合而成
B.是肝血供的唯一来源
C.多由肠系膜上静脉、脾静脉汇合而成
D.只收集消化管的血液
参考答案:C
连词成句。
1. you, go, do, on, trips
?
2. your, you, did, go, where, on, holiday
3. had, we, fun, a, lot, of
.
4. did, go, you, how, there
5. went, to, I, Zhejiang, year, last
建设节水型社会如何“坚持制度创新,规范用水行为”?