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【单选题】
急性毒性试验目的是A.
阐明外来化合物毒性作用的中毒机制
B.
确定LOAEL和NOWAL
C.
评价外来化合物对机体毒性剂量反应关系，并根据LD50进行毒性分级
D.
为致癌试验的剂量设计提供依据
E.
以上都是
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【单选题】What's the concern about using urban expressways in Tokyo?
A.
Not traveling fast.
B.
Road is quite narrow.
C.
Expensive.
【单选题】My uncle drives much _____ than my mother .
A.
better
B.
m ore better
C.
best
D.
the best
【简答题】数一数下图中各有几个角。
【单选题】听力原文：W: I have been thinking about my uncle a lot these days. M: Why not go over for a visit? What does the man mean?
A.
The woman's uncle will come for a visit.
B.
He thinks the woman should visit her uncle.
C.
He asks the woman to go over to his place.
【单选题】下列各组词语中注音完全正确的一组是( )
A.
吮(shǔn)吸 荒(hàng)唐 衣(yì)钵 忙碌(lè)
B.
攻讦(jié) 藤(lēng)枝 凝(man)视 战栗(lì)
C.
牟(móu)利 罹(lí)难 瞥(piē)见 啜(chuò)泣
D.
挑(tiāo)拨 琴弦(xián) 窗帘(làn) 挪(ná)动
【单选题】听力原文：M：I hope I can rely on my uncle to lend me some money when I am short of it W：As far as I know，he turns his back on anyone who asks for money. Q：What does the woman mean? (18)
A.
The man can ask her for help.
B.
Everyone can help the man.
C.
The man's uncle won't help him at all.
D.
The-man can certainly count on his uncle.
【简答题】数一数下图中各有几个角。 （ ）个 （ ）个
【简答题】数一数下图中各有几个角． ______个 ______个．
【单选题】听力原文：W: I have been thinking about my uncle a lot these days. M: Why not go over for a visit? What does the man mean?
A.
He thinks the woman should visit her uncle.
B.
The woman's uncle will come for a visit.
C.
He will visit her uncle with her.
D.
He asks the woman to go over to his place.
【简答题】数一数下图中各有几个角。 （ ）个 （ ）个 （ ）个
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