皮皮学，免费搜题
登录
搜题
【单选题】
头期胃液分泌的特点是A.
胃液的酸度较高而酶含量低
B.
胃液的酸度低，酶含量也低
C.
胃液的酸度和酶含量均较高
D.
胃液的酶含量较高而酸度较低
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】听音填空。 1. We live in ____________. We speak ____________. 2. ____________ ____________ is east of China. 3. Beijing is ____________ ____________ ____________ of our country. 4. China's flag is ________...
【单选题】If it had not been for the storm we ______ much earlier.
A.
should arrive
B.
should have arrived
C.
would arrive
D.
might arrive
【单选题】_____ at the party, we saw Ruth standing alone in the corner of the hall. [ ]
A.
Arriving
B.
To arrive
C.
Arrive
D.
Arrived
【单选题】. If we ________ earlier, we would have had trouble getting good seats.
A.
didn’t arrive
B.
haven’t arrived
C.
hadn’t arrived
D.
couldn’t arrive
【单选题】We are expecting the goods we ordered at our warehouse by the end of next month.
A.
to arrive
B.
arriving
C.
arrive
D.
arrived
相关题目：