在结构施工图中,()的构件代号是CJ。
A、天窗架
B、钢筋架
C、下梁桥
D、上梁桥
参考答案:A
If the weather had been better, we could have had a picnic. But it ______ all day. [ ]
A. rained
B. rains
C. has rained
D. is raining
血清LD12,LD均增高,且LD1/LD2>1.0,最常见于()
A.急性心肌梗死
B.急性白血病
C.急性心肌炎
D.急性肝炎
E.急性胰腺炎